Open Configuration Manager -> Profile ->Create.
• Select Connection Type as Application Server.
• Enter Application Server Name
• Machine Name or IP Address should be your machine IP address on which application server domain resides.
• Port Number should be WSL port number.

Turn on Debugger Service. Bring the following changes in your PSAPPSRV.CFG file
Location: \\PS_HOME\appserv\DomainName\
Psappsrv.cfg:
..[People Code Debugger]
;————————————————————————-
PSDBGSRV Listener Port=15000
...
[PSAPPSRV]
;=========================================================================
; Settings for PSAPPSRV
;=========================================================================

;————————————————————————-
; UBBGEN settings
Min Instances=2 Give >= 2
Max Instances=2
Service Timeout=0 Give >= 2
Go to PSADMIN -> Quick Configuration. Check whether the PC Debugger feature is enabled or not. Make it yes, and start the application server domain.
PC Debugger should be set to yes.

• Login into Application Designer and PIA with same User ID
Go To Application DesignerDebugSelect PeopleCode Debugger Mode

Press ctrl+F9 to set the Break Points
Press F5 to run the execution of program