ALTER The general form of the ALTer task priority command is: ALTer taskname/keyword=n Where taskname is the name of the task that is to have its running or running and static priorities changed to n (decimal). ALTER taskname/RPRI=n changes the running priority of the task named taskname to the decimal value n. ALTER taskname/PRI=n changes the running and static priority of the task named taskname to the decimal value n.