docs: def get_permission(self, service, func):
          """
          Build permission required to access function "func"
          """
          if self.permission:
              perm = self.permission
  
          elif self.prefix is False:
              # No permission will be checked
              perm = False
  
          elif self.prefix:
              perm = build_permission_name(service.model_class, self.prefix)
  
          else:
              name = func.__name__
              # check if there is a translation between default permission and method name
              action_name = METHOD_PERMISSION_TRANSLATION.get(name, name)
  
              perm = build_permission_name(service.model_class, action_name)
          return perm