Getting Started with Event Properties Conversion

All event property will be converted into snake_case string
Nested object will be flatten and key will combined with parent key except fields inside context, properties and traits

Sample event

json

{
  "anonymousId": "b67cd1a3-9ad1-4df8-8ceb-cfc7e542b56e",
  "messageId": "b5f60cba-7f30-4d41-9901-589601e1e539",
  "type": "track",
  "userId": "1",
  "context": {
    "library": {
      "name": "analytics-kotlin",
      "version": "1.19.1"
    },
    "instanceId": "54e25ce3-e14c-4c51-8bd6-eaea9ab4bc66",
    "app": {
      "name": "Test app",
      "build": "602"
    },
    "device": {
      "id": "b67cd1a3-9ad1-4df8-8ceb-cfc7e542b56e"
    }
  },
  "receivedAt": null,
  "timestamp": "2025-02-24T05:13:03.708Z",
  "originalTimestamp": "2025-02-24T05:13:03.708Z",
  "event": "Test",
  "properties": {
    "User Id": "1892906071887585300",
    "User Bucket": "0"
  },
  "traits": null
}

after conversion

json

{
  "anonymous_id": "b67cd1a3-9ad1-4df8-8ceb-cfc7e542b56e",
  "message_id": "b5f60cba-7f30-4d41-9901-589601e1e539",
  "type": "track",
  "user_id": "1",
  "library_name": "analytics-kotlin",
  "library_version": "1.19.1",
  "instance_id": "54e25ce3-e14c-4c51-8bd6-eaea9ab4bc66",
  "app_name":"Test app",
  "app_build": "602",
  "device_id" : "b67cd1a3-9ad1-4df8-8ceb-cfc7e542b56e"
  "received_at": null,
  "timestamp": "2025-02-24T05:13:03.708Z",
  "original_timestamp": "2025-02-24T05:13:03.708Z",
  "user_id" : "1892906071887585300",
  "user_bucket": "0",
  "traits": null
}