如何在Talend中通过trestclient发送Json documnet？

我想使用Talend中的tRESTClient组件通过RESTAPI发送以下JSON。我不想把它转换成字符串。API只处理文档

{
  "dataSource" : "",
  "businessPartners": [
   {
     "externalId": "123",
     "record": "{\"MyId\":\"123\", \"City\":\"St. Gallen\"}",
     "names": [
       {
         "value": "CDQ AG",
         "type": {
           "name": "Local",
           "technicalKey": "LOCAL"
         }
       }
     ],
     "addresses": [{
       "thoroughfares": [{
         "value": "Lukasstrasse 4"
       }],
       "postCodes": [{
         "value": "9008"
       }],
       "localities": [{
         "value": "St. Gallen"
       }],
       "country": {
         "shortName": "CH"
       }
     }]
   }]
}

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您需要检查API文档中的消息格式，但可以使用组件tRestClient和POST指令。