How can I add and implement a new granular access policy fo resources?

What I want is to add an extra checkbox (E.g. “updateOwn”, “findOneOwn”, etc), and then the policy looks to see if this option is selected. Is this part of the users-permissions plugin extensible?

This topic has been created from a Discord post (1255379882955767820) to give it more visibility.
It will be on Read-Only mode here.
Join the conversation on Discord