To set a breakpoint in the Trace Debugger, scroll to the line number location in the command file being debugged where you want the debug process to break. To add the breakpoint, the following methods are available:
•Click the line number value along the left margin displayed within the command source
•Place your cursor on that line by clicking on it, and press the [F9] hot key
•Right click on the line and select Toggle Breakpoint
•Click the line number select the "Add Breakpoint" button on the Toolbar
•Select "Breakpoints" > "Add Breakpoint" from the menu bar
The line will highlight in red when the breakpoint is set.