public async Task <ApiResponse> AddLabel(string ticketId, int labelId)
        {
            try
            {
                await ticketService.AddLabelAsync(ticketId.ToGuid(), labelId);

                return(new ApiResponse(InfoMessages.TicketLabelAdded, null, HttpStatusCode.OK.ToInt()));
            }
            catch (CustomException ex)
            {
                throw new ApiException(ex, ex.StatusCode);
            }
            catch (Exception ex)
            {
                throw new ApiException(ex);
            }
        }