To set PL/I signal breakpoints

  1. From the main menu in Visual Studio, click Debug > Windows > PL/I Signal Breakpoints.

    This opens the PL/I Signal Breakpoints tab in the Outputs window.

  2. On the PL/I Signal Breakpoints tab, use the drop-down list for each signal entry to set an alternative value.

For more information on catching signals in PL/I, see Catching signals and PL/I conditions using environment variables and the Catch reference topic.