code: def raw_custom_event(sender, event_name,
                               payload,
                               user,
                               send_hook_meta=True,
                               instance=None,
                               **kwargs):
      
      HookModel = get_hook_model()
      hooks = HookModel.objects.filter(user=user, event=event_name)
  
      for hook in hooks:
          new_payload = payload
          if send_hook_meta:
              new_payload = {
                  'hook': hook.dict(),
                  'data': payload
              }
  
          hook.deliver_hook(instance, payload_override=new_payload)
docs: Give a full payload