You can set three types of breakpoints in the Windows PowerShell debugging environment: You can set "F9" to debug the code in powershell ISE and .
Click the line where you want to set a line breakpoint, and press F9 or, on the Debug menu, click Toggle Breakpoint.
Old way doing debug, put write-host/exit to get the varible value inside the log.
Line breakpoint.
Variable breakpoint.
Command breakpoint.

We will see examples to use below cmdlets.