If set to true, this reference is not a property set but a collection add. Collection to add to is referenced by PropertyHoldingInstance

The ObjectID of the entity object to set as value of the ReferencingProperty

The position in an entitycollection on which the node entity reference was encountered. Not valid if IsCollectionAdd is false.

The instance holding the ReferenceingProperty.

The property descriptor of the property to set to the instance with the ObjectID stored in ObjectID. When null, SetterFunc is used.

The func to use for setting the destination for the entity. Used when ReferencingProperty is null.