Work Items - Update

Updates a single work item.

PATCH https://dev.azure.com/{organization}/{project}/_apis/wit/workitems/{id}?api-version=5.1
PATCH https://dev.azure.com/{organization}/{project}/_apis/wit/workitems/{id}?validateOnly={validateOnly}&bypassRules={bypassRules}&suppressNotifications={suppressNotifications}&$expand={$expand}&api-version=5.1

URI Parameters

Name In Required Type Description
organization
path True
  • string

The name of the Azure DevOps organization.

project
path
  • string

Project ID or project name

id
path True
  • integer
int32

The id of the work item to update

validateOnly
query
  • boolean

Indicate if you only want to validate the changes without saving the work item

bypassRules
query
  • boolean

Do not enforce the work item type rules on this update

suppressNotifications
query
  • boolean

Do not fire any notifications for this change

$expand
query

The expand parameters for work item attributes. Possible options are { None, Relations, Fields, Links, All }.

api-version
query True
  • string

Version of the API to use. This should be set to '5.1' to use this version of the api.

Request Body

Media Types: "application/json-patch+json"

Name Type Description
from
  • string

The path to copy from for the Move/Copy operation.

op

The patch operation

path
  • string

The path for the operation. In the case of an array, a zero based index can be used to specify the position in the array (e.g. /biscuits/0/name). The "-" character can be used instead of an index to insert at the end of the array (e.g. /biscuits/-).

value
  • object

The value for the operation. This is either a primitive or a JToken.

Responses

Name Type Description
200 OK

successful operation

Security

oauth2

Type: oauth2
Flow: accessCode
Authorization URL: https://app.vssps.visualstudio.com/oauth2/authorize&response_type=Assertion
Token URL: https://app.vssps.visualstudio.com/oauth2/token?client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer&grant_type=urn:ietf:params:oauth:grant-type:jwt-bearer

Scopes

Name Description
vso.work_write Grants the ability to read, create, and update work items and queries, update board metadata, read area and iterations paths other work item tracking related metadata, execute queries, and to receive notifications about work item events via service hooks.

Examples

Add a hyperlink
Add a link
Add a tag
Add an attachment
Change work item type (API Availability: Team Services only (not TFS))
Make an update bypassing rules
Move work items (API Availability: Team Services only (not TFS))
Remove a link
Remove an attachment
Reset an identity field
Update a field
Update a link
Update an identity field by display name
Update an identity field by distinct display name
Update an identity field by IdentityRef
Validate only update

Sample Request

PATCH https://dev.azure.com/fabrikam/_apis/wit/workitems/{id}?api-version=5.1
[
  {
    "op": "test",
    "path": "/rev",
    "value": 5
  },
  {
    "op": "add",
    "path": "/fields/System.History",
    "value": "Linking to a blog article for context"
  },
  {
    "op": "add",
    "path": "/relations/-",
    "value": {
      "rel": "Hyperlink",
      "url": "http://blogs.msdn.com/b/bharry/archive/2014/05/12/a-new-api-for-visual-studio-online.aspx"
    }
  }
]

Sample Response

{
  "id": 299,
  "rev": 6,
  "fields": {
    "System.AreaPath": "Fabrikam-Fiber-Git\\Website",
    "System.TeamProject": "Fabrikam-Fiber-Git",
    "System.IterationPath": "Fabrikam-Fiber-Git",
    "System.WorkItemType": "Task",
    "System.State": "To Do",
    "System.Reason": "New task",
    "System.AssignedTo": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.CreatedDate": "2014-12-29T20:49:21.617Z",
    "System.CreatedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.ChangedDate": "2014-12-29T20:49:27.98Z",
    "System.ChangedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.Title": "JavaScript implementation for Microsoft Account",
    "Microsoft.VSTS.Scheduling.RemainingWork": 4,
    "System.Description": "Follow the code samples from MSDN",
    "System.History": "Linking to a blog article for context"
  },
  "relations": [
    {
      "rel": "System.LinkTypes.Hierarchy-Reverse",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/297",
      "attributes": {
        "isLocked": false,
        "comment": "decomposition of work"
      }
    },
    {
      "rel": "System.LinkTypes.Related",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/300",
      "attributes": {
        "isLocked": false,
        "comment": "adding another task"
      }
    },
    {
      "rel": "Hyperlink",
      "url": "http://blogs.msdn.com/b/bharry/archive/2014/05/12/a-new-api-for-visual-studio-online.aspx",
      "attributes": {
        "authorizedDate": "2014-12-29T20:49:27.98Z",
        "id": 65275,
        "resourceCreatedDate": "2014-12-29T20:49:27.98Z",
        "resourceModifiedDate": "2014-12-29T20:49:27.98Z",
        "revisedDate": "9999-01-01T00:00:00Z"
      }
    }
  ],
  "_links": {
    "self": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
    },
    "workItemUpdates": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/updates"
    },
    "workItemRevisions": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/revisions"
    },
    "workItemHistory": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/history"
    },
    "html": {
      "href": "https://dev.azure.com/fabrikam/web/wi.aspx?pcguid=d81542e4-cdfa-4333-b082-1ae2d6c3ad16&id=299"
    },
    "workItemType": {
      "href": "https://dev.azure.com/fabrikam/6ce954b1-ce1f-45d1-b94d-e6bf2464ba2c/_apis/wit/workItemTypes/Task"
    },
    "fields": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/fields"
    }
  },
  "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
}

Sample Request

PATCH https://dev.azure.com/fabrikam/_apis/wit/workitems/{id}?api-version=5.1
[
  {
    "op": "test",
    "path": "/rev",
    "value": 3
  },
  {
    "op": "add",
    "path": "/relations/-",
    "value": {
      "rel": "System.LinkTypes.Dependency-forward",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/300",
      "attributes": {
        "comment": "Making a new link for the dependency"
      }
    }
  }
]

Sample Response

{
  "id": 299,
  "rev": 3,
  "fields": {
    "System.AreaPath": "Fabrikam-Fiber-Git\\Website",
    "System.TeamProject": "Fabrikam-Fiber-Git",
    "System.IterationPath": "Fabrikam-Fiber-Git",
    "System.WorkItemType": "Task",
    "System.State": "To Do",
    "System.Reason": "New task",
    "System.AssignedTo": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.CreatedDate": "2014-12-29T20:49:21.617Z",
    "System.CreatedBy": "Jamal Hartnett <fabrikamfiber4@hotmail.com>",
    "System.ChangedDate": "2014-12-29T20:49:24.67Z",
    "System.ChangedBy": "Jamal Hartnett <fabrikamfiber4@hotmail.com>",
    "System.Title": "JavaScript implementation for Microsoft Account",
    "Microsoft.VSTS.Scheduling.RemainingWork": 4,
    "System.Description": "Follow the code samples from MSDN",
    "System.History": "Johnnie is going to take this work over."
  },
  "relations": [
    {
      "rel": "System.LinkTypes.Hierarchy-Reverse",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/297",
      "attributes": {
        "isLocked": false,
        "comment": "decomposition of work"
      }
    },
    {
      "rel": "System.LinkTypes.Related",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/300",
      "attributes": {
        "isLocked": false,
        "comment": "adding another task"
      }
    },
    {
      "rel": "System.LinkTypes.Dependency-Forward",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/300",
      "attributes": {
        "isLocked": false,
        "comment": "Making a new link for the dependency"
      }
    }
  ],
  "_links": {
    "self": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
    },
    "workItemUpdates": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/updates"
    },
    "workItemRevisions": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/revisions"
    },
    "workItemHistory": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/history"
    },
    "html": {
      "href": "https://dev.azure.com/fabrikam/web/wi.aspx?pcguid=d81542e4-cdfa-4333-b082-1ae2d6c3ad16&id=299"
    },
    "workItemType": {
      "href": "https://dev.azure.com/fabrikam/6ce954b1-ce1f-45d1-b94d-e6bf2464ba2c/_apis/wit/workItemTypes/Task"
    },
    "fields": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/fields"
    }
  },
  "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
}

Add a tag

Sample Request

PATCH https://dev.azure.com/fabrikam/_apis/wit/workitems/{id}?api-version=5.1
[
  {
    "op": "test",
    "path": "/rev",
    "value": 6
  },
  {
    "op": "add",
    "path": "/fields/System.Tags",
    "value": "Tag1; Tag2"
  }
]

Sample Response

{
  "id": 299,
  "rev": 7,
  "fields": {
    "System.AreaPath": "Fabrikam-Fiber-Git\\Website",
    "System.TeamProject": "Fabrikam-Fiber-Git",
    "System.IterationPath": "Fabrikam-Fiber-Git",
    "System.WorkItemType": "Task",
    "System.State": "To Do",
    "System.Reason": "New task",
    "System.AssignedTo": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.CreatedDate": "2014-12-29T20:49:21.617Z",
    "System.CreatedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.ChangedDate": "2014-12-29T20:49:28.74Z",
    "System.ChangedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.Title": "JavaScript implementation for Microsoft Account",
    "Microsoft.VSTS.Scheduling.RemainingWork": 4,
    "System.Description": "Follow the code samples from MSDN",
    "System.Tags": "Tag1; Tag2"
  },
  "relations": [
    {
      "rel": "System.LinkTypes.Hierarchy-Reverse",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/297",
      "attributes": {
        "isLocked": false,
        "comment": "decomposition of work"
      }
    },
    {
      "rel": "System.LinkTypes.Related",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/300",
      "attributes": {
        "isLocked": false,
        "comment": "adding another task"
      }
    },
    {
      "rel": "Hyperlink",
      "url": "http://blogs.msdn.com/b/bharry/archive/2014/05/12/a-new-api-for-visual-studio-online.aspx",
      "attributes": {
        "authorizedDate": "2014-12-29T20:49:27.98Z",
        "id": 65275,
        "resourceCreatedDate": "2014-12-29T20:49:27.98Z",
        "resourceModifiedDate": "2014-12-29T20:49:27.98Z",
        "revisedDate": "9999-01-01T00:00:00Z"
      }
    }
  ],
  "_links": {
    "self": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
    },
    "workItemUpdates": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/updates"
    },
    "workItemRevisions": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/revisions"
    },
    "workItemHistory": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/history"
    },
    "html": {
      "href": "https://dev.azure.com/fabrikam/web/wi.aspx?pcguid=d81542e4-cdfa-4333-b082-1ae2d6c3ad16&id=299"
    },
    "workItemType": {
      "href": "https://dev.azure.com/fabrikam/6ce954b1-ce1f-45d1-b94d-e6bf2464ba2c/_apis/wit/workItemTypes/Task"
    },
    "fields": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/fields"
    }
  },
  "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
}

Add an attachment

Sample Request

PATCH https://dev.azure.com/fabrikam/_apis/wit/workitems/{id}?api-version=5.1
[
  {
    "op": "test",
    "path": "/rev",
    "value": 3
  },
  {
    "op": "add",
    "path": "/fields/System.History",
    "value": "Adding the necessary spec"
  },
  {
    "op": "add",
    "path": "/relations/-",
    "value": {
      "rel": "AttachedFile",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/attachments/098a279a-60b9-40a8-868b-b7fd00c0a439?fileName=Spec.txt",
      "attributes": {
        "comment": "Spec for the work"
      }
    }
  }
]

Sample Response

{
  "id": 299,
  "rev": 4,
  "fields": {
    "System.AreaPath": "Fabrikam-Fiber-Git\\Website",
    "System.TeamProject": "Fabrikam-Fiber-Git",
    "System.IterationPath": "Fabrikam-Fiber-Git",
    "System.WorkItemType": "Task",
    "System.State": "To Do",
    "System.Reason": "New task",
    "System.AssignedTo": "Johnnie McLeod <fabrikamfiber2@hotmail.com>",
    "System.CreatedDate": "2014-12-29T20:49:21.617Z",
    "System.CreatedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.ChangedDate": "2014-12-29T20:49:26.99Z",
    "System.ChangedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.Title": "JavaScript implementation for Microsoft Account",
    "Microsoft.VSTS.Scheduling.RemainingWork": 4,
    "System.Description": "Follow the code samples from MSDN",
    "System.History": "Adding the necessary spec"
  },
  "relations": [
    {
      "rel": "System.LinkTypes.Hierarchy-Reverse",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/297",
      "attributes": {
        "isLocked": false,
        "comment": "decomposition of work"
      }
    },
    {
      "rel": "System.LinkTypes.Related",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/300",
      "attributes": {
        "isLocked": false,
        "comment": "adding another task"
      }
    },
    {
      "rel": "AttachedFile",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/attachments/098a279a-60b9-40a8-868b-b7fd00c0a439",
      "attributes": {
        "authorizedDate": "2014-12-29T20:49:26.99Z",
        "id": 65274,
        "resourceCreatedDate": "2014-12-29T20:49:26.99Z",
        "resourceModifiedDate": "2014-12-29T20:49:26.99Z",
        "revisedDate": "9999-01-01T00:00:00Z",
        "comment": "Spec for the work",
        "name": "Spec.txt"
      }
    }
  ],
  "_links": {
    "self": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
    },
    "workItemUpdates": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/updates"
    },
    "workItemRevisions": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/revisions"
    },
    "workItemHistory": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/history"
    },
    "html": {
      "href": "https://dev.azure.com/fabrikam/web/wi.aspx?pcguid=d81542e4-cdfa-4333-b082-1ae2d6c3ad16&id=299"
    },
    "workItemType": {
      "href": "https://dev.azure.com/fabrikam/6ce954b1-ce1f-45d1-b94d-e6bf2464ba2c/_apis/wit/workItemTypes/Task"
    },
    "fields": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/fields"
    }
  },
  "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
}

Change work item type (API Availability: Team Services only (not TFS))

Sample Request

PATCH https://dev.azure.com/fabrikam/_apis/wit/workitems/{id}?api-version=5.1
[
  {
    "op": "add",
    "path": "/fields/System.WorkItemType",
    "value": "Task"
  },
  {
    "op": "add",
    "path": "/fields/System.State",
    "value": "To Do"
  }
]

Sample Response

{
  "id": 398,
  "rev": 3,
  "fields": {
    "System.AreaPath": "Fabrikam-Scrum",
    "System.TeamProject": "Fabrikam-Scrum",
    "System.IterationPath": "Fabrikam-Scrum",
    "System.WorkItemType": "Task",
    "System.State": "To Do",
    "System.Reason": "New defect reported",
    "System.CreatedDate": "2016-04-07T16:42:06.55Z",
    "System.CreatedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.ChangedDate": "2016-04-07T16:42:08.167Z",
    "System.ChangedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.Title": "First bug",
    "Microsoft.VSTS.Common.StateChangeDate": "2016-04-07T16:42:08.167Z",
    "Microsoft.VSTS.Common.Priority": 2,
    "Microsoft.VSTS.Common.Severity": "3 - Medium",
    "WEF_F9DCD9224F6E466499435017DB7D2D07_Kanban.Column": "New",
    "WEF_F9DCD9224F6E466499435017DB7D2D07_Kanban.Column.Done": false,
    "Microsoft.VSTS.Common.ValueArea": "Business",
    "WEF_F571AABFDCE945628B5E816FF5294898_Kanban.Column": "New",
    "WEF_F571AABFDCE945628B5E816FF5294898_Kanban.Column.Done": false
  },
  "_links": {
    "self": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/398"
    },
    "workItemUpdates": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/398/updates"
    },
    "workItemRevisions": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/398/revisions"
    },
    "workItemHistory": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/398/history"
    },
    "html": {
      "href": "https://dev.azure.com/fabrikam/web/wi.aspx?pcguid=d81542e4-cdfa-4333-b082-1ae2d6c3ad16&id=398"
    },
    "workItemType": {
      "href": "https://dev.azure.com/fabrikam/b5c43ab0-20bb-44df-9690-7d3ea77c31cc/_apis/wit/workItemTypes/Task"
    },
    "fields": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/fields"
    }
  },
  "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/398"
}

Make an update bypassing rules

Sample Request

PATCH https://dev.azure.com/fabrikam/_apis/wit/workitems/{id}?bypassRules=true&api-version=5.1
[
  {
    "op": "add",
    "path": "/fields/System.AssignedTo",
    "value": "Invalid Value"
  }
]

Sample Response

{
  "id": 335,
  "rev": 8,
  "fields": {
    "System.AreaPath": "Fabrikam-Fiber-Git\\Web",
    "System.TeamProject": "Fabrikam-Fiber-Git",
    "System.IterationPath": "Fabrikam-Fiber-Git",
    "System.WorkItemType": "Task",
    "System.State": "To Do",
    "System.Reason": "New task",
    "System.AssignedTo": "Invalid Value",
    "System.CreatedDate": "2015-03-06T21:34:17.777Z",
    "System.CreatedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.ChangedDate": "2015-03-06T21:34:23.167Z",
    "System.ChangedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.Title": "JavaScript implementation for Microsoft Account",
    "Microsoft.VSTS.Scheduling.RemainingWork": 4,
    "System.Description": "Follow the code samples from MSDN",
    "System.Tags": "Tag1; Tag2"
  },
  "relations": [
    {
      "rel": "System.LinkTypes.Hierarchy-Reverse",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/333",
      "attributes": {
        "isLocked": false,
        "comment": "decomposition of work"
      }
    },
    {
      "rel": "System.LinkTypes.Related",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/336",
      "attributes": {
        "isLocked": false,
        "comment": "adding another task"
      }
    },
    {
      "rel": "Hyperlink",
      "url": "http://blogs.msdn.com/b/bharry/archive/2014/05/12/a-new-api-for-visual-studio-online.aspx",
      "attributes": {
        "authorizedDate": "2015-03-06T21:34:22.32Z",
        "id": 135231,
        "resourceCreatedDate": "2015-03-06T21:34:22.32Z",
        "resourceModifiedDate": "2015-03-06T21:34:22.32Z",
        "revisedDate": "9999-01-01T00:00:00Z"
      }
    }
  ],
  "_links": {
    "self": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/335"
    },
    "workItemUpdates": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/335/updates"
    },
    "workItemRevisions": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/335/revisions"
    },
    "workItemHistory": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/335/history"
    },
    "html": {
      "href": "https://dev.azure.com/fabrikam/web/wi.aspx?pcguid=d81542e4-cdfa-4333-b082-1ae2d6c3ad16&id=335"
    },
    "workItemType": {
      "href": "https://dev.azure.com/fabrikam/6ce954b1-ce1f-45d1-b94d-e6bf2464ba2c/_apis/wit/workItemTypes/Task"
    },
    "fields": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/fields"
    }
  },
  "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/335"
}

Move work items (API Availability: Team Services only (not TFS))

Sample Request

PATCH https://dev.azure.com/fabrikam/_apis/wit/workitems/{id}?api-version=5.1
[
  {
    "op": "add",
    "path": "/fields/System.TeamProject",
    "value": "Fabrikam-Scrum"
  },
  {
    "op": "add",
    "path": "/fields/System.AreaPath",
    "value": "Fabrikam-Scrum"
  },
  {
    "op": "add",
    "path": "/fields/System.IterationPath",
    "value": "Fabrikam-Scrum"
  }
]

Sample Response

{
  "id": 398,
  "rev": 2,
  "fields": {
    "System.AreaPath": "Fabrikam-Scrum",
    "System.TeamProject": "Fabrikam-Scrum",
    "System.IterationPath": "Fabrikam-Scrum",
    "System.WorkItemType": "Bug",
    "System.State": "New",
    "System.Reason": "New defect reported",
    "System.CreatedDate": "2016-04-07T16:42:06.55Z",
    "System.CreatedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.ChangedDate": "2016-04-07T16:42:07.737Z",
    "System.ChangedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.Title": "First bug",
    "System.BoardColumn": "New",
    "System.BoardColumnDone": false,
    "Microsoft.VSTS.Common.StateChangeDate": "2016-04-07T16:42:06.55Z",
    "Microsoft.VSTS.Common.Priority": 2,
    "Microsoft.VSTS.Common.Severity": "3 - Medium",
    "WEF_F9DCD9224F6E466499435017DB7D2D07_Kanban.Column": "New",
    "WEF_F9DCD9224F6E466499435017DB7D2D07_Kanban.Column.Done": false,
    "Microsoft.VSTS.Common.ValueArea": "Business",
    "WEF_F571AABFDCE945628B5E816FF5294898_Kanban.Column": "New",
    "WEF_F571AABFDCE945628B5E816FF5294898_Kanban.Column.Done": false
  },
  "_links": {
    "self": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/398"
    },
    "workItemUpdates": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/398/updates"
    },
    "workItemRevisions": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/398/revisions"
    },
    "workItemHistory": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/398/history"
    },
    "html": {
      "href": "https://dev.azure.com/fabrikam/web/wi.aspx?pcguid=d81542e4-cdfa-4333-b082-1ae2d6c3ad16&id=398"
    },
    "workItemType": {
      "href": "https://dev.azure.com/fabrikam/b5c43ab0-20bb-44df-9690-7d3ea77c31cc/_apis/wit/workItemTypes/Bug"
    },
    "fields": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/fields"
    }
  },
  "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/398"
}

Sample Request

PATCH https://dev.azure.com/fabrikam/_apis/wit/workitems/{id}?api-version=5.1
[
  {
    "op": "test",
    "path": "/rev",
    "value": 3
  },
  {
    "op": "remove",
    "path": "/relations/2"
  }
]

Sample Response

{
  "id": 299,
  "rev": 3,
  "fields": {
    "System.AreaPath": "Fabrikam-Fiber-Git\\Website",
    "System.TeamProject": "Fabrikam-Fiber-Git",
    "System.IterationPath": "Fabrikam-Fiber-Git",
    "System.WorkItemType": "Task",
    "System.State": "To Do",
    "System.Reason": "New task",
    "System.AssignedTo": "Johnnie McLeod <fabrikamfiber2@hotmail.com>",
    "System.CreatedDate": "2014-12-29T20:49:21.617Z",
    "System.CreatedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.ChangedDate": "2014-12-29T20:49:24.67Z",
    "System.ChangedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.Title": "JavaScript implementation for Microsoft Account",
    "Microsoft.VSTS.Scheduling.RemainingWork": 4,
    "System.Description": "Follow the code samples from MSDN",
    "System.History": "Johnnie is going to take this work over."
  },
  "relations": [
    {
      "rel": "System.LinkTypes.Hierarchy-Reverse",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/297",
      "attributes": {
        "isLocked": false,
        "comment": "decomposition of work"
      }
    },
    {
      "rel": "System.LinkTypes.Related",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/300",
      "attributes": {
        "isLocked": false,
        "comment": "adding another task"
      }
    }
  ],
  "_links": {
    "self": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
    },
    "workItemUpdates": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/updates"
    },
    "workItemRevisions": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/revisions"
    },
    "workItemHistory": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/history"
    },
    "html": {
      "href": "https://dev.azure.com/fabrikam/web/wi.aspx?pcguid=d81542e4-cdfa-4333-b082-1ae2d6c3ad16&id=299"
    },
    "workItemType": {
      "href": "https://dev.azure.com/fabrikam/6ce954b1-ce1f-45d1-b94d-e6bf2464ba2c/_apis/wit/workItemTypes/Task"
    },
    "fields": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/fields"
    }
  },
  "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
}

Remove an attachment

Sample Request

PATCH https://dev.azure.com/fabrikam/_apis/wit/workitems/{id}?api-version=5.1
[
  {
    "op": "test",
    "path": "/rev",
    "value": 4
  },
  {
    "op": "remove",
    "path": "/relations/2"
  }
]

Sample Response

{
  "id": 299,
  "rev": 5,
  "fields": {
    "System.AreaPath": "Fabrikam-Fiber-Git\\Website",
    "System.TeamProject": "Fabrikam-Fiber-Git",
    "System.IterationPath": "Fabrikam-Fiber-Git",
    "System.WorkItemType": "Task",
    "System.State": "To Do",
    "System.Reason": "New task",
    "System.AssignedTo": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.CreatedDate": "2014-12-29T20:49:21.617Z",
    "System.CreatedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.ChangedDate": "2014-12-29T20:49:27.48Z",
    "System.ChangedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.Title": "JavaScript implementation for Microsoft Account",
    "Microsoft.VSTS.Scheduling.RemainingWork": 4,
    "System.Description": "Follow the code samples from MSDN"
  },
  "relations": [
    {
      "rel": "System.LinkTypes.Hierarchy-Reverse",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/297",
      "attributes": {
        "isLocked": false,
        "comment": "decomposition of work"
      }
    },
    {
      "rel": "System.LinkTypes.Related",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/300",
      "attributes": {
        "isLocked": false,
        "comment": "adding another task"
      }
    }
  ],
  "_links": {
    "self": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
    },
    "workItemUpdates": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/updates"
    },
    "workItemRevisions": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/revisions"
    },
    "workItemHistory": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/history"
    },
    "html": {
      "href": "https://dev.azure.com/fabrikam/web/wi.aspx?pcguid=d81542e4-cdfa-4333-b082-1ae2d6c3ad16&id=299"
    },
    "workItemType": {
      "href": "https://dev.azure.com/fabrikam/6ce954b1-ce1f-45d1-b94d-e6bf2464ba2c/_apis/wit/workItemTypes/Task"
    },
    "fields": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/fields"
    }
  },
  "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
}

Reset an identity field

Sample Request

PATCH https://dev.azure.com/fabrikam/_apis/wit/workitems/{id}?api-version=5.1
[
  {
    "op": "test",
    "path": "/rev",
    "value": 6
  },
  {
    "op": "add",
    "path": "/fields/System.AssignedTo",
    "value": ""
  }
]

Sample Response

{
  "id": 299,
  "rev": 7,
  "fields": {
    "System.AreaPath": "Fabrikam-Fiber-Git\\Website",
    "System.TeamProject": "Fabrikam-Fiber-Git",
    "System.IterationPath": "Fabrikam-Fiber-Git",
    "System.WorkItemType": "Task",
    "System.State": "To Do",
    "System.Reason": "New task",
    "System.CreatedDate": "2014-12-29T20:49:21.617Z",
    "System.CreatedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.ChangedDate": "2014-12-29T20:49:28.74Z",
    "System.ChangedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.Title": "JavaScript implementation for Microsoft Account",
    "Microsoft.VSTS.Scheduling.RemainingWork": 4,
    "System.Description": "Follow the code samples from MSDN",
    "System.Tags": "Tag1; Tag2"
  },
  "relations": [
    {
      "rel": "System.LinkTypes.Hierarchy-Reverse",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/297",
      "attributes": {
        "isLocked": false,
        "comment": "decomposition of work"
      }
    },
    {
      "rel": "System.LinkTypes.Related",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/300",
      "attributes": {
        "isLocked": false,
        "comment": "adding another task"
      }
    },
    {
      "rel": "Hyperlink",
      "url": "http://blogs.msdn.com/b/bharry/archive/2014/05/12/a-new-api-for-visual-studio-online.aspx",
      "attributes": {
        "authorizedDate": "2014-12-29T20:49:27.98Z",
        "id": 65275,
        "resourceCreatedDate": "2014-12-29T20:49:27.98Z",
        "resourceModifiedDate": "2014-12-29T20:49:27.98Z",
        "revisedDate": "9999-01-01T00:00:00Z"
      }
    }
  ],
  "_links": {
    "self": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
    },
    "workItemUpdates": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/updates"
    },
    "workItemRevisions": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/revisions"
    },
    "workItemHistory": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/history"
    },
    "html": {
      "href": "https://dev.azure.com/fabrikam/web/wi.aspx?pcguid=d81542e4-cdfa-4333-b082-1ae2d6c3ad16&id=299"
    },
    "workItemType": {
      "href": "https://dev.azure.com/fabrikam/6ce954b1-ce1f-45d1-b94d-e6bf2464ba2c/_apis/wit/workItemTypes/Task"
    },
    "fields": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/fields"
    }
  },
  "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
}

Update a field

Sample Request

PATCH https://dev.azure.com/fabrikam/_apis/wit/workitems/{id}?api-version=5.1
[
  {
    "op": "test",
    "path": "/rev",
    "value": 1
  },
  {
    "op": "add",
    "path": "/fields/System.AreaPath",
    "value": "Fabrikam-Fiber-Git\\Website"
  },
  {
    "op": "add",
    "path": "/fields/System.History",
    "value": "Moving to the right area path"
  }
]

Sample Response

{
  "id": 299,
  "rev": 2,
  "fields": {
    "System.AreaPath": "Fabrikam-Fiber-Git\\Website",
    "System.TeamProject": "Fabrikam-Fiber-Git",
    "System.IterationPath": "Fabrikam-Fiber-Git",
    "System.WorkItemType": "Task",
    "System.State": "To Do",
    "System.Reason": "New task",
    "System.CreatedDate": "2014-12-29T20:49:21.617Z",
    "System.CreatedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.ChangedDate": "2014-12-29T20:49:23.933Z",
    "System.ChangedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.Title": "JavaScript implementation for Microsoft Account",
    "Microsoft.VSTS.Scheduling.RemainingWork": 4,
    "System.Description": "Follow the code samples from MSDN",
    "System.History": "Moving to the right area path"
  },
  "relations": [
    {
      "rel": "System.LinkTypes.Hierarchy-Reverse",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/297",
      "attributes": {
        "isLocked": false,
        "comment": "decomposition of work"
      }
    }
  ],
  "_links": {
    "self": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
    },
    "workItemUpdates": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/updates"
    },
    "workItemRevisions": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/revisions"
    },
    "workItemHistory": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/history"
    },
    "html": {
      "href": "https://dev.azure.com/fabrikam/web/wi.aspx?pcguid=d81542e4-cdfa-4333-b082-1ae2d6c3ad16&id=299"
    },
    "workItemType": {
      "href": "https://dev.azure.com/fabrikam/6ce954b1-ce1f-45d1-b94d-e6bf2464ba2c/_apis/wit/workItemTypes/Task"
    },
    "fields": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/fields"
    }
  },
  "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
}

Sample Request

PATCH https://dev.azure.com/fabrikam/_apis/wit/workitems/{id}?api-version=5.1
[
  {
    "op": "test",
    "path": "/rev",
    "value": 3
  },
  {
    "op": "replace",
    "path": "/relations/2/attributes/comment",
    "value": "Adding traceability to dependencies"
  }
]

Sample Response

{
  "id": 299,
  "rev": 3,
  "fields": {
    "System.AreaPath": "Fabrikam-Fiber-Git\\Website",
    "System.TeamProject": "Fabrikam-Fiber-Git",
    "System.IterationPath": "Fabrikam-Fiber-Git",
    "System.WorkItemType": "Task",
    "System.State": "To Do",
    "System.Reason": "New task",
    "System.AssignedTo": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.CreatedDate": "2014-12-29T20:49:21.617Z",
    "System.CreatedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.ChangedDate": "2014-12-29T20:49:24.67Z",
    "System.ChangedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.Title": "JavaScript implementation for Microsoft Account",
    "Microsoft.VSTS.Scheduling.RemainingWork": 4,
    "System.Description": "Follow the code samples from MSDN",
    "System.History": "Johnnie is going to take this work over."
  },
  "relations": [
    {
      "rel": "System.LinkTypes.Hierarchy-Reverse",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/297",
      "attributes": {
        "isLocked": false,
        "comment": "decomposition of work"
      }
    },
    {
      "rel": "System.LinkTypes.Related",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/300",
      "attributes": {
        "isLocked": false,
        "comment": "adding another task"
      }
    },
    {
      "rel": "System.LinkTypes.Dependency-Forward",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/300",
      "attributes": {
        "isLocked": false,
        "comment": "Adding traceability to dependencies"
      }
    }
  ],
  "_links": {
    "self": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
    },
    "workItemUpdates": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/updates"
    },
    "workItemRevisions": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/revisions"
    },
    "workItemHistory": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/history"
    },
    "html": {
      "href": "https://dev.azure.com/fabrikam/web/wi.aspx?pcguid=d81542e4-cdfa-4333-b082-1ae2d6c3ad16&id=299"
    },
    "workItemType": {
      "href": "https://dev.azure.com/fabrikam/6ce954b1-ce1f-45d1-b94d-e6bf2464ba2c/_apis/wit/workItemTypes/Task"
    },
    "fields": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/fields"
    }
  },
  "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
}

Update an identity field by display name

Sample Request

PATCH https://dev.azure.com/fabrikam/_apis/wit/workitems/{id}?api-version=5.1
[
  {
    "op": "test",
    "path": "/rev",
    "value": 6
  },
  {
    "op": "add",
    "path": "/fields/System.AssignedTo",
    "value": "Jamal Hartnett"
  }
]

Sample Response

{
  "id": 299,
  "rev": 7,
  "fields": {
    "System.AreaPath": "Fabrikam-Fiber-Git\\Website",
    "System.TeamProject": "Fabrikam-Fiber-Git",
    "System.IterationPath": "Fabrikam-Fiber-Git",
    "System.WorkItemType": "Task",
    "System.State": "To Do",
    "System.Reason": "New task",
    "System.AssignedTo": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.CreatedDate": "2014-12-29T20:49:21.617Z",
    "System.CreatedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.ChangedDate": "2014-12-29T20:49:28.74Z",
    "System.ChangedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.Title": "JavaScript implementation for Microsoft Account",
    "Microsoft.VSTS.Scheduling.RemainingWork": 4,
    "System.Description": "Follow the code samples from MSDN",
    "System.Tags": "Tag1; Tag2"
  },
  "relations": [
    {
      "rel": "System.LinkTypes.Hierarchy-Reverse",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/297",
      "attributes": {
        "isLocked": false,
        "comment": "decomposition of work"
      }
    },
    {
      "rel": "System.LinkTypes.Related",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/300",
      "attributes": {
        "isLocked": false,
        "comment": "adding another task"
      }
    },
    {
      "rel": "Hyperlink",
      "url": "http://blogs.msdn.com/b/bharry/archive/2014/05/12/a-new-api-for-visual-studio-online.aspx",
      "attributes": {
        "authorizedDate": "2014-12-29T20:49:27.98Z",
        "id": 65275,
        "resourceCreatedDate": "2014-12-29T20:49:27.98Z",
        "resourceModifiedDate": "2014-12-29T20:49:27.98Z",
        "revisedDate": "9999-01-01T00:00:00Z"
      }
    }
  ],
  "_links": {
    "self": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
    },
    "workItemUpdates": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/updates"
    },
    "workItemRevisions": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/revisions"
    },
    "workItemHistory": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/history"
    },
    "html": {
      "href": "https://dev.azure.com/fabrikam/web/wi.aspx?pcguid=d81542e4-cdfa-4333-b082-1ae2d6c3ad16&id=299"
    },
    "workItemType": {
      "href": "https://dev.azure.com/fabrikam/6ce954b1-ce1f-45d1-b94d-e6bf2464ba2c/_apis/wit/workItemTypes/Task"
    },
    "fields": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/fields"
    }
  },
  "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
}

Update an identity field by distinct display name

Sample Request

PATCH https://dev.azure.com/fabrikam/_apis/wit/workitems/{id}?api-version=5.1
[
  {
    "op": "test",
    "path": "/rev",
    "value": 6
  },
  {
    "op": "add",
    "path": "/fields/System.AssignedTo",
    "value": "Jamal Hartnett<fabrikamfiber4@hotmail.com>"
  }
]

Sample Response

{
  "id": 299,
  "rev": 7,
  "fields": {
    "System.AreaPath": "Fabrikam-Fiber-Git\\Website",
    "System.TeamProject": "Fabrikam-Fiber-Git",
    "System.IterationPath": "Fabrikam-Fiber-Git",
    "System.WorkItemType": "Task",
    "System.State": "To Do",
    "System.Reason": "New task",
    "System.AssignedTo": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.CreatedDate": "2014-12-29T20:49:21.617Z",
    "System.CreatedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.ChangedDate": "2014-12-29T20:49:28.74Z",
    "System.ChangedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.Title": "JavaScript implementation for Microsoft Account",
    "Microsoft.VSTS.Scheduling.RemainingWork": 4,
    "System.Description": "Follow the code samples from MSDN",
    "System.Tags": "Tag1; Tag2"
  },
  "relations": [
    {
      "rel": "System.LinkTypes.Hierarchy-Reverse",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/297",
      "attributes": {
        "isLocked": false,
        "comment": "decomposition of work"
      }
    },
    {
      "rel": "System.LinkTypes.Related",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/300",
      "attributes": {
        "isLocked": false,
        "comment": "adding another task"
      }
    },
    {
      "rel": "Hyperlink",
      "url": "http://blogs.msdn.com/b/bharry/archive/2014/05/12/a-new-api-for-visual-studio-online.aspx",
      "attributes": {
        "authorizedDate": "2014-12-29T20:49:27.98Z",
        "id": 65275,
        "resourceCreatedDate": "2014-12-29T20:49:27.98Z",
        "resourceModifiedDate": "2014-12-29T20:49:27.98Z",
        "revisedDate": "9999-01-01T00:00:00Z"
      }
    }
  ],
  "_links": {
    "self": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
    },
    "workItemUpdates": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/updates"
    },
    "workItemRevisions": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/revisions"
    },
    "workItemHistory": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/history"
    },
    "html": {
      "href": "https://dev.azure.com/fabrikam/web/wi.aspx?pcguid=d81542e4-cdfa-4333-b082-1ae2d6c3ad16&id=299"
    },
    "workItemType": {
      "href": "https://dev.azure.com/fabrikam/6ce954b1-ce1f-45d1-b94d-e6bf2464ba2c/_apis/wit/workItemTypes/Task"
    },
    "fields": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/fields"
    }
  },
  "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
}

Update an identity field by IdentityRef

Sample Request

PATCH https://dev.azure.com/fabrikam/_apis/wit/workitems/{id}?api-version=5.1
[
  {
    "op": "test",
    "path": "/rev",
    "value": 6
  },
  {
    "op": "add",
    "path": "/fields/System.AssignedTo",
    "value": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    }
  }
]

Sample Response

{
  "id": 299,
  "rev": 7,
  "fields": {
    "System.AreaPath": "Fabrikam-Fiber-Git\\Website",
    "System.TeamProject": "Fabrikam-Fiber-Git",
    "System.IterationPath": "Fabrikam-Fiber-Git",
    "System.WorkItemType": "Task",
    "System.State": "To Do",
    "System.Reason": "New task",
    "System.AssignedTo": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.CreatedDate": "2014-12-29T20:49:21.617Z",
    "System.CreatedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.ChangedDate": "2014-12-29T20:49:28.74Z",
    "System.ChangedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.Title": "JavaScript implementation for Microsoft Account",
    "Microsoft.VSTS.Scheduling.RemainingWork": 4,
    "System.Description": "Follow the code samples from MSDN",
    "System.Tags": "Tag1; Tag2"
  },
  "relations": [
    {
      "rel": "System.LinkTypes.Hierarchy-Reverse",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/297",
      "attributes": {
        "isLocked": false,
        "comment": "decomposition of work"
      }
    },
    {
      "rel": "System.LinkTypes.Related",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/300",
      "attributes": {
        "isLocked": false,
        "comment": "adding another task"
      }
    },
    {
      "rel": "Hyperlink",
      "url": "http://blogs.msdn.com/b/bharry/archive/2014/05/12/a-new-api-for-visual-studio-online.aspx",
      "attributes": {
        "authorizedDate": "2014-12-29T20:49:27.98Z",
        "id": 65275,
        "resourceCreatedDate": "2014-12-29T20:49:27.98Z",
        "resourceModifiedDate": "2014-12-29T20:49:27.98Z",
        "revisedDate": "9999-01-01T00:00:00Z"
      }
    }
  ],
  "_links": {
    "self": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
    },
    "workItemUpdates": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/updates"
    },
    "workItemRevisions": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/revisions"
    },
    "workItemHistory": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/history"
    },
    "html": {
      "href": "https://dev.azure.com/fabrikam/web/wi.aspx?pcguid=d81542e4-cdfa-4333-b082-1ae2d6c3ad16&id=299"
    },
    "workItemType": {
      "href": "https://dev.azure.com/fabrikam/6ce954b1-ce1f-45d1-b94d-e6bf2464ba2c/_apis/wit/workItemTypes/Task"
    },
    "fields": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/fields"
    }
  },
  "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
}

Validate only update

Sample Request

PATCH https://dev.azure.com/fabrikam/_apis/wit/workitems/{id}?validateOnly=True&api-version=5.1
[
  {
    "op": "test",
    "path": "/rev",
    "value": 1
  },
  {
    "op": "add",
    "path": "/fields/System.Title",
    "value": "ValidationOnly won't patch this title or increase Rev"
  }
]

Sample Response

{
  "id": 299,
  "rev": 1,
  "fields": {
    "System.AreaPath": "Fabrikam-Fiber-Git\\Website",
    "System.TeamProject": "Fabrikam-Fiber-Git",
    "System.IterationPath": "Fabrikam-Fiber-Git",
    "System.WorkItemType": "Task",
    "System.State": "To Do",
    "System.Reason": "New task",
    "System.CreatedDate": "2014-12-29T20:49:21.617Z",
    "System.CreatedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.ChangedDate": "2014-12-29T20:49:23.933Z",
    "System.ChangedBy": {
      "displayName": "Jamal Hartnett",
      "url": "https://vssps.dev.azure.com/fabrikam/_apis/Identities/d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "_links": {
        "avatar": {
          "href": "https://dev.azure.com/mseng/_apis/GraphProfile/MemberAvatars/aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
        }
      },
      "id": "d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "uniqueName": "fabrikamfiber4@hotmail.com",
      "imageUrl": "https://dev.azure.com/fabrikam/_api/_common/identityImage?id=d291b0c4-a05c-4ea6-8df1-4b41d5f39eff",
      "descriptor": "aad.YTkzODFkODYtNTYxYS03ZDdiLWJjM2QtZDUzMjllMjM5OTAz"
    },
    "System.Title": "JavaScript implementation for Microsoft Account",
    "Microsoft.VSTS.Scheduling.RemainingWork": 4,
    "System.Description": "Follow the code samples from MSDN",
    "System.History": "Moving to the right area path"
  },
  "relations": [
    {
      "rel": "System.LinkTypes.Hierarchy-Reverse",
      "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/297",
      "attributes": {
        "isLocked": false,
        "comment": "decomposition of work"
      }
    }
  ],
  "_links": {
    "self": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
    },
    "workItemUpdates": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/updates"
    },
    "workItemRevisions": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/revisions"
    },
    "workItemHistory": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299/history"
    },
    "html": {
      "href": "https://dev.azure.com/fabrikam/web/wi.aspx?pcguid=d81542e4-cdfa-4333-b082-1ae2d6c3ad16&id=299"
    },
    "workItemType": {
      "href": "https://dev.azure.com/fabrikam/6ce954b1-ce1f-45d1-b94d-e6bf2464ba2c/_apis/wit/workItemTypes/Task"
    },
    "fields": {
      "href": "https://dev.azure.com/fabrikam/_apis/wit/fields"
    }
  },
  "url": "https://dev.azure.com/fabrikam/_apis/wit/workItems/299"
}

Definitions

JsonPatchDocument

The JSON model for JSON Patch Operations

Operation

The patch operation

ReferenceLinks

The class to represent a collection of REST reference links.

WorkItem

Describes a work item.

WorkItemCommentVersionRef

Represents the reference to a specific version of a comment on a Work Item.

WorkItemExpand

The expand parameters for work item attributes. Possible options are { None, Relations, Fields, Links, All }

WorkItemRelation

JsonPatchDocument

The JSON model for JSON Patch Operations

Name Type Description
from
  • string

The path to copy from for the Move/Copy operation.

op

The patch operation

path
  • string

The path for the operation. In the case of an array, a zero based index can be used to specify the position in the array (e.g. /biscuits/0/name). The "-" character can be used instead of an index to insert at the end of the array (e.g. /biscuits/-).

value
  • object

The value for the operation. This is either a primitive or a JToken.

Operation

The patch operation

Name Type Description
add
  • string
copy
  • string
move
  • string
remove
  • string
replace
  • string
test
  • string

The class to represent a collection of REST reference links.

Name Type Description
links
  • object

The readonly view of the links. Because Reference links are readonly, we only want to expose them as read only.

WorkItem

Describes a work item.

Name Type Description
_links

Link references to related REST resources.

commentVersionRef

Reference to a specific version of the comment added/edited/deleted in this revision.

fields
  • object

Map of field and values for the work item.

id
  • integer

The work item ID.

relations

Relations of the work item.

rev
  • integer

Revision number of the work item.

url
  • string

WorkItemCommentVersionRef

Represents the reference to a specific version of a comment on a Work Item.

Name Type Description
commentId
  • integer

The id assigned to the comment.

createdInRevision
  • integer

[Internal] The work item revision where this comment was originally added.

isDeleted
  • boolean

[Internal] Specifies whether comment was deleted.

text
  • string

[Internal] The text of the comment.

url
  • string
version
  • integer

The version number.

WorkItemExpand

The expand parameters for work item attributes. Possible options are { None, Relations, Fields, Links, All }

Name Type Description
all
  • string

Expands all.

fields
  • string

Fields work item expand.

links
  • string

Links work item expand.

none
  • string

Default behavior.

relations
  • string

Relations work item expand.

WorkItemRelation

Name Type Description
attributes
  • object

Collection of link attributes.

rel
  • string

Relation type.

url
  • string

Link url.