I have created a nifi custom processor, I need get a current process group id, How can I do that? Say for instance I need to update the flowfile attribute with the process group id for some later report generation or something.... Is it possible to get the current process group id? , I have created a custom processor. At runtime I want to get the process group id, How do i do that?. Say for instance I want update the flowfile attribute of every data packet with process group id, so that I can manipulate the provenance data based on the this field. ... View more