code: async def add_recipients(self, *recipients):
          r
  
          # TODO: wait for the corresponding WS event
  
          req = self._state.http.add_group_recipient
          for recipient in recipients:
              await req(self.id, recipient.id)
docs: r"""|coro|
  
          Adds recipients to this group.
  
          A group can only have a maximum of 10 members.
          Attempting to add more ends up in an exception. To
          add a recipient to the group, you must have a relationship
          with the user of type :attr:`RelationshipType.friend`.
  
          Parameters
          -----------
          \*recipients: :class:`User`
              An argument list of users to add to this group.
  
          Raises
          -------
          HTTPException
              Adding a recipient to this group failed.