How to apply filter policy to azure sevice bus topic in serverless.yml for az function

Hi, i have an azure function that gets inbound trigger from az service bus topic. But i want fn to trigger for certain rule in subscription. creating a rule at cloud-side is ok but i want filterPolicy to specify in serverless.yml like we do it for aws sns case.

i couldn’t find any article that helps me. if anyone has done this before please help with solution.