backend/app/datax/plugin/writer/otswriter/plugin_job_template.json

{
    "name": "otswriter",
    "parameter": {
        "endpoint":"",
        "accessId":"",
        "accessKey":"",
        "instanceName":"",
        "table":"",
        "primaryKey" : [],
        "column" : [],
        "writeMode" : ""
    }
}