i have five item type coming in the queue now i want to give the priority that item should be processed in different manner that is item type 3 at first then item 1 then item 4 them item 5 then item 2.like this i have to give.i am attaching a simple model of three by three in the processor 2 item 3 should be processed first then item 1.how to give command in the processor. plz help me it will be very grateful.