public async Task <IActionResult> ExportIssuers( [HttpTrigger(AuthorizationLevel.Function, "get", Route = "issuers/export")] ExportIssuersQuery queryArg, HttpRequest req, IDictionary <string, string> headers, Microsoft.Azure.WebJobs.ExecutionContext context) { return(await ExecuteAsync <ExportIssuersQuery, ExportIssuersResponse>(context, req, queryArg, (r) => { var result = new FileContentResult(r.Content, r.ContentType) { FileDownloadName = r.FileName }; return result.ToTask(); })); }