add Button
Creates a button with the given data
Parameters
button
The data to create the button with
fun Message.addButton(label: String, style: ButtonStyle, onPress: (Message, FragmentActivity) -> Unit)
Adds a button component to the message.
Parameters
label
The label of the button.
style
The style of the button. {@link ButtonStyle}
on Press
Callback for when the button is pressed, passing the message as an argument.