MadelineProto/docs/API_docs/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, ];

Or, if you're into Lua:

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