how to write curl command in execute stream command processor for starting another processor group

[#1]

Hi

I am trying to execute activate nifi processor group based on current processor success notification . I was tried with executestreamporcessor using curl command , But not succeeded . Please help me on this issue

My requests are

1) is there any way we can activate processor group based on success notification of current processor apart from rest-api

2)can we write Python script to activate processor group ?

Thanks for your time and consideration