private Response HandleGetParticipantsForTrial(Request request) { try { return (new Response { ResponseType = ResponseType.OkResponse, Participants = { ProtoUtils.ParticipantsListToDto(_trialService.GetParticipantsForTrial(request.TrialName, request.AgeCategoryName)) } }); } catch (CustomException e) { return(new Response { ResponseType = ResponseType.FailureResponse, ErrorMessage = e.Message }); } }