Relation::save

public function save()
{
	Entity\RelationTable::upsert(
		[
			'SRC_ENTITY_TYPE_ID' => $this->sourceEntityTypeID,
			'SRC_ENTITY_ID' => $this->sourceEntityID,
			'SRC_RECYCLE_BIN_ID' => $this->sourceRecycleBinID,
			'DST_ENTITY_TYPE_ID' => $this->destinationEntityTypeID,
			'DST_ENTITY_ID' => $this->destinationEntityID,
			'DST_RECYCLE_BIN_ID' => $this->destinationRecycleBinID
		]
	);
}