| Name | Type | Optional | ByRef | Description |
|---|---|---|---|---|
| sourceType | Integer | The SourceType of the UserData. | ||
| sourcePk | Integer | The SourcePk of the UserData. | ||
| key | String | The Key of the UserData. | ||
| errorIfNotExists | Boolean | Optional | If the specified combination does not exist, indicates if this function should return an error. If omitted, a value of False is assumed. |
A Boolean value indicating success.