code: def add_webhook(self, name, url, key, **attrs):
          
          return Webhooks(self.requester).create(
              self.id, name, url, key, **attrs
          )
docs: Add a new Webhook and return a :class:`Webhook` object.
  
          :param name: name of the :class:`Webhook`
          :param url: payload url of the :class:`Webhook`
          :param key: secret key of the :class:`Webhook`
          :param attrs: optional attributes for :class:`Webhook`