protected async Task <string> CreateInboxFile(string inboxFolder) { var tempFile = CreateTempFile(out var tempFileName); var fileBytes = await File.ReadAllBytesAsync(tempFile); File.Delete(tempFile); var request = new FortnoxApiRequest(connectionSettings.AccessToken, connectionSettings.ClientSecret); var response = await InboxService.UploadFileAsync(request, inboxFolder, tempFileName, fileBytes); return(response.Id); }