eagle-core/eagle-alert-parent/eagle-alert/alert-engine/src/test/resources/extend_policy.json

[
  {
    "name": "extend-policy",
    "definition": {
      "type": "Custom",
      "handlerClass": "i.o.x.Handler",
      "value": "",
      "properties": {
        "parentKey": {
          "syslogStream": {
            "pattern": "%s-%s",
            "columns": [
              "a",
              "b",
              "d"
            ]
          }
        }
      }
    }
  }
]