41 lines
892 B
Markdown
41 lines
892 B
Markdown
---
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title: keyboardButtonCallback
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description: Callback button
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image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
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---
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# Constructor: keyboardButtonCallback
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[Back to constructors index](index.md)
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Callback button
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### Attributes:
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| Name | Type | Required | Description |
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|----------|---------------|----------|-------------|
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|requires\_password|[Bool](../types/Bool.md) | Optional|
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|text|[string](../types/string.md) | Yes|Button text|
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|data|[bytes](../types/bytes.md) | Yes|Callback data|
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### Type: [KeyboardButton](../types/KeyboardButton.md)
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### Example:
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```php
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$keyboardButtonCallback = ['_' => 'keyboardButtonCallback', 'requires_password' => Bool, 'text' => 'string', 'data' => 'bytes'];
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```
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Or, if you're into Lua:
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```lua
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keyboardButtonCallback={_='keyboardButtonCallback', requires_password=Bool, text='string', data='bytes'}
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```
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