// Call REST service to send Json data async Task <List <UsersPromptsModel> > RestService(IEnumerable <UsersPromptsModel> userPromptsToSync) { restService = new RestService(); // Get Json data from server in JsonResponseModel format Task <List <UsersPromptsModel> > jsonResponeTask = restService.SyncUserPromptsJson(userPromptsToSync); Console.WriteLine(restService.Message); // Create instance of jsonResponeTask and pass jsonResponeTask there return(await jsonResponeTask); }