def move_to_collection(self, source_collection, destination_collection):
        """Move entities from source to destination collection."""
        for entity in self:
            entity.move_to_collection(source_collection, destination_collection)
def move_to_collection ( self , source_collection , destination_collection ) : for entity in self : entity . move_to_collection ( source_collection , destination_collection )
Move entities from source to destination collection.