# ObserverMutationData

typedef

A single entry in [`ViewDocumentMutationEventData`](module_engine_view_observer_mutationobserver-ViewDocumentMutationEventData.md) mutations array.

[See source](https://github.com/ckeditor/ckeditor5/blob/master/packages/ckeditor5-engine/src/view/observer/mutationobserver.ts#L303)

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## Properties

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### `node: ViewNode`

The view node related to the detected mutation.

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### `type: ViewDocumentChangeType`

Type of mutation detected.

#### Value

`object`

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Full index of the CKEditor 5 API reference: [llms.txt](llms.txt)