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

# XblMultiplayerEventArgsXuid

> XblMultiplayerEventArgsXuid

Retrieves additional information for `XblMultiplayerEventType::UserAdded`, `XblMultiplayerEventType::UserRemoved`, and `XblMultiplayerEventType::JoinLobbyCompleted` events.

## Syntax

```cpp theme={null}
HRESULT XblMultiplayerEventArgsXuid(  
         XblMultiplayerEventArgsHandle argsHandle,  
         uint64_t* xuid  
)  
```

### Parameters

*argsHandle*   \_In\_\
Type: [XblMultiplayerEventArgsHandle](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/handles/xblmultiplayereventargshandle.md)

The event arguments handle for the multiplayer event.

*xuid*   \_Out\_\
Type: uint64\_t\*

The applicable XBOX User ID, depending on the multiplayer event: \
`XblMultiplayerEventType::UserAdded` - The XBOX User ID of the member that was added.  \
`XblMultiplayerEventType::UserRemoved` - The XBOX User ID of the member that was removed.  \
`XblMultiplayerEventType::JoinLobbyCompleted` - The XBOX User ID of the member that was invited.

### Return value

Type: HRESULT

HRESULT return code for this API operation.

## Remarks

Call this function to get more information about multiplayer events returned by [xblMultiplayerManagerDoWork](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayermanagerdowork.md) for which the `EventType` member of the [XblMultiplayerEvent](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/structs/xblmultiplayerevent.md) for a multiplayer event is set to either `XblMultiplayerEventType::UserAdded`, `XblMultiplayerEventType::UserRemoved`, or `XblMultiplayerEventType::JoinLobbyCompleted`. \
The event arguments handle for a multiplayer event can be retrieved from the `EventArgsHandle` member of the [XblMultiplayerEvent](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/structs/xblmultiplayerevent.md) structure for that multiplayer event.  \
For more information about multiplayer events, see [Multiplayer Manager API overview](https://docs.xbox.com/services/xbox-services/multiplayer/mpm/concepts/live-multiplayer-manager-api-overview.md).

## Requirements

**Header:** multiplayer\_manager\_c.h

**Library:** Microsoft.Xbox.Services.142.C.lib or Microsoft.Xbox.Services.143.C.lib

## See also

[multiplayer\_manager\_c](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/multiplayer_manager_c_members.md)\
[XblMultiplayerEventArgsFindMatchCompleted](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsfindmatchcompleted.md)\
[XblMultiplayerEventArgsMember](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsmember.md)\
[XblMultiplayerEventArgsMembers](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsmembers.md)\
[XblMultiplayerEventArgsMembersCount](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsmemberscount.md)\
[XblMultiplayerEventArgsPerformQosMeasurements](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsperformqosmeasurements.md)\
[XblMultiplayerEventArgsPropertiesJson](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargspropertiesjson.md)\
[XblMultiplayerEventType](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/enums/xblmultiplayereventtype.md)


## Related topics

- [XblMultiplayerEventArgsHandle](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/handles/xblmultiplayereventargshandle.md)
- [XblMultiplayerEventArgsMember](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsmember.md)
- [XblMultiplayerEventArgsMembers](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsmembers.md)
- [XblMultiplayerEventArgsMembersCount](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargsmemberscount.md)
- [XblMultiplayerEventArgsPropertiesJson](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_manager_c/functions/xblmultiplayereventargspropertiesjson.md)