button
button
An expression that identifies a button by name, number, or id, using one of the following forms:
card.buttonID(posInteger)
card.button(posInteger) // number
background.buttonID(posInteger)
background.button(text)) // name
background.button(posInteger) // number
For example:
thisCard.buttonID(3)
thisCard.button("Return")
thisCard.button(1)
thisBackground.button(2)