{
  "rules": [
    {
      "event": "EventName",
      "ignore": false,
      "params": {
        "acp": {
          "optional": false,
          "source": "analyticsCustomProperties/acp_key"
        }
      },
      "strategy": "warnUnlisted"
    }
  ],
  "strategy": "warnUnlisted"
}