> For the complete documentation index, see [llms.txt](https://kinematicsoup.gitbook.io/scene-fusion/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kinematicsoup.gitbook.io/scene-fusion/api-reference/ks.scenefusion.client.unity.editor/ks.scenefusion.client.unity.editor.sfui/ks.scenefusion.client.unity.editor.sfui.delegates/ks.scenefusion.client.unity.editor.sfui.delegates.followcallback.md).

# Delegate sfUI.Delegates.FollowCallback

Namespace: [KS.SceneFusion.Client.Unity.Editor](/scene-fusion/api-reference/ks.scenefusion.client.unity.editor.md)\
Assembly: KSUnity-Source.dll

Follow camera callback.

```csharp
public delegate uint sfUI.Delegates.FollowCallback(uint userId, bool isFollowing)
```

#### Parameters

`userId` uint

`isFollowing` bool

if true, follow. Otherwise, unfollow.

#### Returns

uint

followed user id. 0 means not following any user.