# sendMessageCancelAction

> Invalidate all previous action updates. E.g. when user deletes entered text or aborts a video upload.

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Invalidate all previous action updates. E.g. when user deletes entered text or aborts a video upload.




### Type: [SendMessageAction](/API_docs/types/SendMessageAction.html)


### Example:

```
$sendMessageCancelAction = ['_' => 'sendMessageCancelAction'];
```