问如何为HipChat创建webhook

EN

/v2/room/{room_id_or_name}/extension/webhook/{key}

curl -d '{"name":"simpletest","url":"http://myserser/myapp/myresource",
   "pattern":"^\\/hello$","key":"my.simple.webhook","event":"room_message"}' 
   -H 'Content-Type: application/json' 
   https://our.hipchat.com/v2/room/2202432/extension
   /webhook/my.simple.webhook?auth_token=token

{
 "error": {
 "code": 405,
 "message": "<p>The method is not allowed for the requested URL.</p>",
 "type": "Method Not Allowed"
 }
}