MadelineProto/old_docs/API_docs_v57/constructors/keyboardButtonCallback.md

title	description
keyboardButtonCallback	keyboardButtonCallback attributes, type and example

Constructor: keyboardButtonCallback

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Attributes:

Name	Type	Required
text	string	Yes
data	bytes	Yes

Type: KeyboardButton

Example:

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

PWRTelegram json-encoded version:

{"_": "keyboardButtonCallback", "text": "string", "data": "bytes"}

Or, if you're into Lua:

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