Parameters - zOS
Displays a list of parameters that will be inserted into the JCL. Each parameter consists of a Name and a Value. You can enter as many parameters as needed.
To add a parameter, click the + icon; add a Name and Value, and click the Update button. To delete a parameter, click the parameter on the list, the - icon, and the Update button.
Each parameter that you enter creates a separate JCL construct called the SET command. Each one appears as a new line inserted dynamically into the JCL submitted to the Controller for the current execution. The JCL is not permanently modified.
For example, you might specify a parameter Name = RUNTYPE and Value = PROD. This results in the following JCL SET statement being inserted in the job after the job card:
// SET RUNTYPE=PROD
The Parameter fields also support two additional special functions:
They allow you to specify any steps you want skipped during the job run. See Skipping Steps during Initial Run for detailed instructions.
They allow you to add data to DD* input streams. See Using Variables in JCL and In-Stream Data Sets for detailed instructions.