tid

Task ID. Required. One to four characters must be unique to CTS address space.

PGM(........)

Program name. Required. This is the name of the program to be attached.

PARM(...)

Data to be sent to the subtask via internal message. Default is no data.

RETRY(...)

The number of times a subtask is to be restarted after completing with a nonzero completion code. Default is 0.