code: def make_supported_services_choices(self, referencesample):
          
          choices = []
          assigned_services = self.get_assigned_services_uids()
          for uid in self.get_supported_services_uids(referencesample):
              service = api.get_object(uid)
              title = api.get_title(service)
              selected = uid in assigned_services
              choices.append({
                  "ResultValue": uid,
                  "ResultText": title,
                  "selected": selected,
              })
          return choices
docs: Create choices for supported services