public async Task <ActionResult <bool> > BulkDelete([FromBody] List <long> Ids)
        {
            if (!ModelState.IsValid)
            {
                throw new BindException(ModelState);
            }

            AppUserFilter AppUserFilter = new AppUserFilter();

            AppUserFilter.Id = new IdFilter {
                In = Ids
            };
            AppUserFilter.Selects = AppUserSelect.Id;
            AppUserFilter.Skip    = 0;
            AppUserFilter.Take    = int.MaxValue;

            List <AppUser> AppUsers = await AppUserService.List(AppUserFilter);

            AppUsers = await AppUserService.BulkDelete(AppUsers);

            if (AppUsers.Any(x => !x.IsValidated))
            {
                return(BadRequest(AppUsers.Where(x => !x.IsValidated)));
            }
            return(true);
        }