# DowncastAttributeDescriptor

typedef

[See source](https://github.com/ckeditor/ckeditor5/blob/master/packages/ckeditor5-engine/src/conversion/downcasthelpers.ts#L3108)

<a id="properties">

## Properties

<a id="member-key">

### `key: Exclude<string, 'class' | 'style'>`

<a id="member-key">

### `key: 'style'`

<a id="member-key">

### `key: 'class'`

<a id="member-value">

### `value: string`

<a id="member-value">

### `value: Record<string, string>`

<a id="member-value">

### `value: string | Array<string>`

#### Value

`object`

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