Sets a reference to an FdoDataPropertyDefinition to use for uniquely identifying instances of the contained class within a single parent object instance. This value is only used for the FdoObjectType_Collection and FdoObjectType_OrderedCollection object property types. The FdoDataPropertyDefinition must belong to the FdoClassDefinition that defines the type of this property.
- Parameters:
-
| value | Input data property definition |
- Returns:
- Returns nothing
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