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XblRealTimeActivityAddResyncHandler

Registers a handler function to receive a notification that is sent when there is a resync message from the real time activity service.

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Syntax

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Parameters

xboxLiveContext   _In_
Type: XblContextHandle XBOX Live context handle. handler   _In_
Type: XblRealTimeActivityResyncHandler* The callback function that receives notifications. context   _In_opt_
Type: void* Caller context that will be passed back to the handler function.

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Return value

Type: XblFunctionContext A XblFunctionContext object that can be used to unregister the event handler.

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Remarks

This message indicates that data may have been lost and to resync all data by calling corresponding REST API’s. Wherever possible, XSAPI will automatically resync the subscription and invoke the corresponding handler. For multiplayer session changed subscriptions, titles must resync their own sessions.

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Requirements

Header: real_time_activity_c.h Library: Microsoft.Xbox.Services.14x.GDK.C.lib

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See also

real_time_activity_c
Last modified on August 20, 2026

Related topics

XblRealTimeActivityResyncHandlerXblRealTimeActivityRemoveResyncHandlerXblRealTimeActivityAddConnectionStateChangeHandlerXblRealTimeActivitySubscriptionErrorHandlerXblRealTimeActivityConnectionStateChangeHandler