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> Use this file to discover all available pages before exploring further.

# XblPresenceTrackUsers

> XblPresenceTrackUsers

# XblPresenceTrackUsers

Configures the list of users for whom real-time device and title presence updates will be tracked.

## Syntax

```cpp theme={null}
HRESULT XblPresenceTrackUsers(  
         XblContextHandle xblContextHandle,  
         const uint64_t* xuids,  
         size_t xuidsCount  
)  
```

### Parameters

*xblContextHandle*   \_In\_\
Type: [XblContextHandle](/reference/live/xsapi-c/types_c/handles/xblcontexthandle)

XBOX live context for the local user.

*xuids*   \_In\_\
Type: uint64\_t\*

Array of XboxUserIDs to append to the existing list of tracked Users.

*xuidsCount*   \_In\_\
Type: size\_t

Length of xuids array.

### Return value

Type: HRESULT

HRESULT return code for this API operation.

## Remarks

Updates will be delivered via XblPresenceDevicePresenceChangedHandlers and XblPresenceTitlePresenceChangedHandlers. Note that the set of tracked users can be updated independent from the handlers.

## Requirements

**Header:** presence\_c.h

**Library:** Microsoft.Xbox.Services.14x.GDK.C.lib

## See also

[presence\_c](/reference/live/xsapi-c/presence_c/presence_c_members)


## Related topics

- [XblPresenceAddTitlePresenceChangedHandler](/reference/live/xsapi-c/presence_c/functions/xblpresenceaddtitlepresencechangedhandler.md)
- [XblPresenceAddDevicePresenceChangedHandler](/reference/live/xsapi-c/presence_c/functions/xblpresenceadddevicepresencechangedhandler.md)
- [XblPresenceStopTrackingUsers](/reference/live/xsapi-c/presence_c/functions/xblpresencestoptrackingusers.md)
- [XblPresenceTrackAdditionalTitles](/reference/live/xsapi-c/presence_c/functions/xblpresencetrackadditionaltitles.md)
- [XblUserStatisticsTrackStatistics](/reference/live/xsapi-c/user_statistics_c/functions/xbluserstatisticstrackstatistics.md)