MadelineProtoDocs/old_docs/API_docs_v35/constructors/keyboardButtonCallback.md

title	description	image
keyboardButtonCallback	Callback button	https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png

Constructor: keyboardButtonCallback

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Callback button

Attributes:

Name	Type	Required	Description
text	string	Yes	Button text
data	bytes	Yes	Callback data

Type: KeyboardButton

Example:

$keyboardButtonCallback = ['_' => 'keyboardButtonCallback', 'text' => 'string', 'data' => 'bytes'];

Or, if you're into Lua:

keyboardButtonCallback={_='keyboardButtonCallback', text='string', data='bytes'}