Getting subcollection under policy

I am trying write up an equivalent of the REST API below using the F5 SDK https://{{big_ip_a_mgmt}}/mgmt/tm/asm/policies/RkBxoJgqcNy6Nub2tIGnqg/blocking-settings/violations/qbKXRjHFpE888EG_KIf-Gw?v...