3.2.5.51.1.1.17 Required

Type: CSOM Boolean

Accessibility: Read/Write

See Microsoft.SharePoint.Client.Field.Required, as specified in section 3.2.5.37.1.1.14.

Exceptions:

Error Code

Error Type Name

Condition

-1

System.NotSupportedException

Value is set to "true", and the list is an external list.