SP.Field.enforceUniqueValues property (sp.js)
Gets or sets a value that specifies whether to require unique field values in a list or library column.
Applies to: apps for SharePoint | SharePoint Foundation 2013 | SharePoint Server 2013
var value = SP.Field.get_enforceUniqueValues ()
var value = SP.Field.set_enforceUniqueValues ()
Return value
Type: Boolean
true to require unique field values in a list or library column; otherwise, false.
Remarks
This property cannot be set to false for built-in fields or the site columns.
REST resource endpoint
See Field resource for more information.
Endpoint URI structure
http://<sitecollection>/<site>/_api/web/lists(listid)/fields(fieldid)/enforceUniqueValues
HTTP requests
This resource supports the following HTTP commands:
- POST
POST syntax
POST http://<sitecollection>/<site>/_api/web/lists(listid)/fields(fieldid)/enforceUniqueValues
GET syntax
GET http://<sitecollection>/<site>/_api/web/lists(listid)/fields(fieldid)/enforceUniqueValues