The parameter field object needs to be set with field elements that need to be updated.
/* Create an empty queue admin message and parameters field */ MQeQueueAdminMsg msg = new MQeQueueAdminMsg(); /* Prime the message with who to reply to and a unique identifier * and set the name of the QueueManager and Queue */ MQeFields params = new MQeFields(); /* Add a new description for the queue */ msg.putAscii(MQeQueueAdminMsg.Queue_Descrpition,"New Description"); /* Set the admin action to update the queue */ msg.update( parms );