## Constructor: keyboardButtonCallback  

### Attributes:

| Name     |    Type       | Required |
|----------|:-------------:|---------:|
|text|[string](../types/string.md) | Required|
|data|[bytes](../types/bytes.md) | Required|


### Type: [KeyboardButton](../types/KeyboardButton.md)

### Example:


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