The command definition object is the object that is checked by
a system program to ensure that the command is valid and that the correct
parameters were entered.
The command definition object defines the command, including:
- The command name
- The CPP
- The parameters and values that are valid for the command
- Validity checking information the system can use to validate the command
when it is entered
- Prompt text to be displayed if a prompt is requested for the command.
- Online help information