UpdateRule

{
    "actions": [
        {
            "name": "dgiot",
            "params": {
                "$resource": "resource:bf00440de5",
                "payload_tmpl": "${payload}",
                "target_qos": 0,
                "target_topic": "thing/${productid}/${clientid}/post"
            }
        }
    ],
    "description": "this is republish action",
    "for": "string",
    "rawsql": "SELECT \n  payload.msg as msg \n FROM \n  \"t/#\" \n WHERE \n  msg = 'hello'"
}