Table column definitions messages

A column is a container for a piece of data in a table. The term attribute and property (class property) are often used interchangeably with the term table column. Model-driven apps use the term column when they refer to table columns.

Table column messages

The following table lists the messages that you can use to perform actions on table columns.

Message	Web API Operation	SDK Assembly
CreateAttribute Create table columns	POST to EntityMetadata Attributes collection-valued navigation property with JSON definition of column. More information: Create columns	CreateAttributeRequest
DeleteAttribute Delete table columns	DELETE to the URL of the column.	DeleteAttributeRequest
DeleteOptionValue Delete a choice from PicklistAttributeMetadata or StatusAttributeMetadata columns	DeleteOptionValue Action	DeleteOptionValueRequest
InsertOptionValue Add a choice to a PicklistAttributeMetadata column	InsertOptionValue Action" /	InsertOptionValueRequest
InsertStatusValue Add a choice to a StatusAttributeMetadata column	InsertStatusValue Action	InsertStatusValueRequest
OrderOption Changes the order of the choice presented in an PicklistAttributeMetadata column	OrderOption Action	OrderOptionRequest
RetrieveAttribute Retrieve a table column	Use the Web API query mentioned in Querying EntityMetadata columns to retrieve table columns.	RetrieveAttributeRequest
UpdateAttribute Update a table column	See Update tables	UpdateAttributeRequest
UpdateStateValue Update the label for a StateAttributeMetadata column	UpdateStateValue Action	UpdateStateValueRequest

See also

Column definitions
Create auto-number column
Work with columns definitions
Sample: Dump column definitions information to a file