{
    "type": "sendVWorkFileMessage",
    "params": {
        "robotId": "当前机器人微信ID",
        "instanceId": "实例id 和 robotId 二者填一者就可以",
        "conversationId": "接收方微信id",
        "path": "string",
        "fileName": "string"
    }
}
{
  "data": {
      "conversation_id": "{{params.conversationId}}",
      "file": "{{params.path}}"
  },
  "type": 11031
}