public async Task <ActionResult <long> > InsertAttendees(AttendeeRegistrationRequestDto item)
{
var insertedSequence = await attendeeRepository.InsertAsync(item.AsAttnedee());
if (insertedSequence < 1)
{
return(StatusCode(StatusCodes.Status406NotAcceptable));
}
return(StatusCode(StatusCodes.Status201Created, insertedSequence));
}