# UpcastEvent

typedef

[See source](https://github.com/ckeditor/ckeditor5/blob/master/packages/ckeditor5-engine/src/conversion/upcastdispatcher.ts#L547)

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## Type parameters

### `TName: extends string`

### `TItem`

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## Properties

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### `args: [ data: UpcastConversionData<TItem>, conversionApi: UpcastConversionApi ]`

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### `` name: TName | `${ string }` ``

#### Value

`object`

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