> ## Documentation Index
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# XblMultiplayerActivityJoinRestriction

> XblMultiplayerActivityJoinRestriction

# XblMultiplayerActivityJoinRestriction

Enumerates who can join a player's current activity.

## Syntax

```cpp theme={null}
enum class XblMultiplayerActivityJoinRestriction  : uint32_t  
{  
    Public = 0,  
    InviteOnly = 1,  
    Followed = 2  
}  
```

## Constants

| Constant   | Description            |
| ---------- | ---------------------- |
| Public     | Everyone.              |
| InviteOnly | Only invited players.  |
| Followed   | Only followed players. |

## Remarks

To see how this enumeration is used, see "Setting an activity" in the [Activities](/services/xbox-services/multiplayer/mpa/how-to/live-mpa-client-how-to#activities) section of [Example code for Multiplayer Activity](/services/xbox-services/multiplayer/mpa/how-to/live-mpa-client-how-to).

## Member of

[XblMultiplayerActivityInfo](/reference/live/xsapi-c/multiplayer_activity_c/structs/xblmultiplayeractivityinfo)

## Argument of

[XblMultiplayerActivitySetActivityAsync](/reference/live/xsapi-c/multiplayer_activity_c/functions/xblmultiplayeractivitysetactivityasync)

## Requirements

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

## See also

[multiplayer\_activity\_c](/reference/live/xsapi-c/multiplayer_activity_c/multiplayer_activity_c_members)


## Related topics

- [XblMultiplayerActivityInfo](/reference/live/xsapi-c/multiplayer_activity_c/structs/xblmultiplayeractivityinfo.md)
- [Example code for Multiplayer Activity](/services/xbox-services/multiplayer/mpa/how-to/live-mpa-client-how-to.md)
- [XblMultiplayerSessionPropertiesSetJoinRestriction](/reference/live/xsapi-c/multiplayer_c/functions/xblmultiplayersessionpropertiessetjoinrestriction.md)
- [XblMultiplayerSearchHandleGetJoinRestriction](/reference/live/xsapi-c/multiplayer_c/functions/xblmultiplayersearchhandlegetjoinrestriction.md)
- [Activities](/services/xbox-services/multiplayer/mpa/concepts/live-mpa-activities.md)