3.2.5.49.1.1.14 IsRelationship

Type: CSOM Boolean

Accessibility: Read/Write

Specifies whether the lookup field is a relationship lookup field. It determines whether this lookup field is returned by Microsoft.SharePoint.Client.List.GetRelatedField.

Exceptions:

Error Code

Error Type Name

Condition

-1

System.NotSupportedException

The list that the field (2) belongs to is an external list.