CAF-Application Service not visible in GP

Hi ,
I've created a composite appliocatioon service which contains an entity service and an application service.
After deploying, I also tested it successfully.
Now I want to use this service in callable object in GP.
But I'm not able to see the application service there.
My application is visible there, but next two column(Service name and method name) remains blank.
Wat I've read from tutorials is that only application service can be used in GP.
It is showing service name and method name for caf.core and caf.tc,but not for my application.
Can anybody tell me the reason what is the possible cause for that ?
regards,
Piyush

Hi Dipankar,
I have already tested the service by the procedure you have mentioned.It is working fine from service browser window.
Is there anything else need to be done to  use that service in CAF GP(some configurations etc)?
While creating CO, it is showing the service name and methods for caf.core but not for my Application.
Regards,
Piyush

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