public virtual async Task <IActionResult> UploadAttachmentAsync(string conversationId, [FromBody] AttachmentData attachmentUpload)
{
var result = await _handler.HandleUploadAttachmentAsync(HttpContext.Request.Headers["Authorization"], conversationId, attachmentUpload).ConfigureAwait(false);
return(new JsonResult(result, HttpHelper.BotMessageSerializerSettings));
}
