> ## Documentation Index
> Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# unity_client_initialization_completed

> unity_client_initialization_completed event.

This event is triggered when Unity client initialization is completed.

## Properties

| Name              | Type   | Description                                |
| :---------------- | :----- | :----------------------------------------- |
| ClientInstanceId  | String | A unique identifier for this game session. |
| PartyVersion      | String | The version of the Party native library.   |
| PartyUnityVersion | String | The version of the Party Unity SDK.        |
| UnityVersion      | String | The version of the Unity engine.           |
| OSName            | String | The name of the operating system.          |
| DeviceMake        | String | The device manufacturer name.              |
| DeviceModel       | String | The device model name.                     |
| Platform          | String | The Unity runtime platform.                |
| AppName           | String | The application product name.              |
| AppVersion        | String | The application version.                   |

## Common Properties

All V2 PlayStream events are formatted as JSON objects and most share the following common properties:

| Name               | Type                                                                          | Description                                                                               |
| :----------------- | :---------------------------------------------------------------------------- | :---------------------------------------------------------------------------------------- |
| SchemaVersion      | String                                                                        | PlayStream event format version, following a semantic versioning scheme.                  |
| FullName           | [Object](/services/playfab/api-references/events/data-types/fullnameobject)   | Combination of the event name and event namespace to fully specify the event type.        |
| Id                 | String                                                                        | PlayFab-assigned unique identifier for this event.                                        |
| Timestamp          | DateTime                                                                      | The time (in UTC) associated with this event.                                             |
| Entity             | [Object](/services/playfab/api-references/events/data-types/entityobject)     | Details about the entity to which this event applies including Entity Id and Entity type. |
| Originator         | [Object](/services/playfab/api-references/events/data-types/originatorobject) | Object describing the source and source type that initiated this event.                   |
| PayloadContentType | String                                                                        | Specifies the content of the event payload. Default is "JSON".                            |
| Origin Info        | Object                                                                        | Optional field containing info about events originating outside of PlayFab.               |


## Related topics

- [PlayStream event model reference for PlayFab](/services/playfab/api-references/events/index.md)
- [client_initialization_completed](/services/playfab/api-references/events/Networking/client-initialization-completed.md)
- [unreal_client_initialization_completed](/services/playfab/api-references/events/Networking/unreal-client-initialization-completed.md)
- [Migrate from Google Sign-in to Google Play Games in Unity](/services/playfab/identity/player-identity/platform-specific-authentication/google-play-games-sign-in-migration-details.md)
- [Multiplayer Unity plugin quickstart](/services/playfab/multiplayer/lobby/lobby-matchmaking-sdks/multiplayer-unity-plugin-quickstart.md)