> ## Documentation Index
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# 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](https://docs.xbox.com/services/xbox-services/multiplayer/mpa/how-to/live-mpa-client-how-to.md#activities) section of [Example code for Multiplayer Activity](https://docs.xbox.com/services/xbox-services/multiplayer/mpa/how-to/live-mpa-client-how-to.md).

## Member of

[XblMultiplayerActivityInfo](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_activity_c/structs/xblmultiplayeractivityinfo.md)

## Argument of

[XblMultiplayerActivitySetActivityAsync](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_activity_c/functions/xblmultiplayeractivitysetactivityasync.md)

## Requirements

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

## See also

[multiplayer\_activity\_c](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_activity_c/multiplayer_activity_c_members.md)


## Related topics

- [multiplayer_activity_c (contents)](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_activity_c/multiplayer_activity_c_members.md)
- [XblMultiplayerActivityInfo](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_activity_c/structs/xblmultiplayeractivityinfo.md)
- [Example code for Multiplayer Activity](https://docs.xbox.com/services/xbox-services/multiplayer/mpa/how-to/live-mpa-client-how-to.md)
- [XblMultiplayerSessionPropertiesSetJoinRestriction](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_c/functions/xblmultiplayersessionpropertiessetjoinrestriction.md)
- [XblMultiplayerSearchHandleGetJoinRestriction](https://docs.xbox.com/reference/live/xsapi-c/multiplayer_c/functions/xblmultiplayersearchhandlegetjoinrestriction.md)