public async Task <ActionResult <TbmSessionUser> > UpdateParticipant(string id, TbmSessionUser tbmSessionUser)
        {
            if (id != tbmSessionUser.SessionId)
            {
                return(BadRequest());
            }

            if (!_ijoinsService.TbmSessionUsersExists(tbmSessionUser.SessionId, tbmSessionUser.UserId))
            {
                return(NotFound());
            }

            return(await _ijoinsService.UpdateParticipant(tbmSessionUser));
        }