> ## 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.

# XGameProtocol (deprecated)

> XGameProtocol (deprecated)

# XGameProtocol (deprecated)

<Info>The XGameProtocol APIs are now deprecated. Use the [XGameActivation](/reference/system/xgameactivation/xgameactivation_members) APIs instead. For migration guidance, see [XGameActivation](/reference/system/xgameactivation/xgameactivation_members#remarks).</Info>

Reference material for protocol activation.

## Functions

| Function                                                                                                               | Description                                                       |
| ---------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------- |
| [XGameProtocolActivationCallback](/reference/system/xgameprotocol/functions/xgameprotocolactivationcallback)           | A callback an application defines for protocol activation events. |
| [XGameProtocolRegisterForActivation](/reference/system/xgameprotocol/functions/xgameprotocolregisterforactivation)     | Registers a callback for protocol activation.                     |
| [XGameProtocolUnregisterForActivation](/reference/system/xgameprotocol/functions/xgameprotocolunregisterforactivation) | Unregisters a callback for protocol activation.                   |


## Related topics

- [XGameProtocolActivationCallbackXGameProtocol (deprecated)](/reference/system/xgameprotocol/functions/xgameprotocolactivationcallback.md)
- [XGameProtocolRegisterForActivation (deprecated)](/reference/system/xgameprotocol/functions/xgameprotocolregisterforactivation.md)
- [XGameProtocolUnregisterForActivation (deprecated)](/reference/system/xgameprotocol/functions/xgameprotocolunregisterforactivation.md)
- [XGameActivation](/reference/system/xgameactivation/xgameactivation_members.md)
- [Android Content Test Application (CTA) overview (Deprecated)](/build/core-features/common/game-streaming/game-streaming-android-content-test-application.md)