Hi Rakesh,

Thanks for posting on PSC.

I feel you could achieve your requirement by two ways:-

- Create a custom function, having the logic of "When" rule that returns a boolean value. This function could be invoked from the activity.

- Alternatively, have you tried using "When" as below:-

Please share your business requirement, like what you want to achieve for my understanding.

Hope above suggestion helps you. Kindly notify if it does.

Regards,

Asif