When you start debugging, the Debug perspective is displayed, with the views useful for debugging. The default views are listed below; you can display them by clicking Window > Show View.
You can change values of the variables in this view. Select a variable from the list, right-click and select Change Value. A dialog box is displayed.
) in this view. From it you can select the type of breakpoint to add: a program breakpoint, a PL/I condition breakpoint or
a PL/I signal breakpoint. When you select
Add Program Breakpoint, you are asked to enter the program name. When you select
Add a PL/I Condition Breakpoint, a dialog opens that lets you select from a list of conditions to be notified of during the debug session. When you select
Add a PL/I Signal Breakpoint, a dialog opens that lets you select from a list of signals to be notified of during the debug session.
You can also add an arbitrary expression in the view by clicking
Add new expression or
in the Expressions view. The added expression can be any string, but to be evaluated it needs to be a valid expression.