@snap/camera-kit
Version:
Camera Kit Web
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Markdown
[**CameraKit Web SDK v1.13.0**](../README.md)
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[CameraKit Web SDK](../globals.md) / CameraKitSourceSubscriber
# Interface: CameraKitSourceSubscriber
When creating a [CameraKitSource](../classes/CameraKitSource.md), passing a CameraKitSourceSubscriber allows logic to implemented which will
run whenever that source is attached/detached from a CameraKitSession.
## Properties
### onAttach()?
> `readonly` `optional` **onAttach**: (`source`, `lensCore`, `reportError`, `frameEvents`) => `void` \| `Promise`\<`void`\>
#### Parameters
##### source
[`CameraKitSource`](../classes/CameraKitSource.md)
##### lensCore
`LensCore`
##### reportError
(`error`) => `void`
##### frameEvents
`Observable`\<`FrameEvent`\>
#### Returns
`void` \| `Promise`\<`void`\>
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### onDetach()?
> `readonly` `optional` **onDetach**: (`reportError`) => `void` \| `Promise`\<`void`\>
#### Parameters
##### reportError
(`error`) => `void`
#### Returns
`void` \| `Promise`\<`void`\>