The client data owner product ID corresponding to the current 'owner' of this client data. Usage: Conforming management stations, when they first create or activate rows in this table, SHALL set 'xcmGenClientDataRowStatus' to 'active(1)' (for static rows) or 'createAndGo(4)' (for dynamic rows), 'xcmGenClientDataRequestID' (to a suitable client global ID), 'xcmGenClientDataProductID' (to a suitable client product ID), 'xcmGenClientDataLength' (to a suitable client data length) SIMULTANEOUSLY (in the same SNMP Set-Request PDU). Usage: Conforming management agents SHALL NOT accept sets to 'xcmGenClientDataRequestID', 'xcmGenClientDataProductID', or 'xcmGenClientDataLength' AFTER row creation (these objects are 'write-once').