[button]
    names=switch1,switch2,switch3

[switch1]
    pin: 4
    close: "gm21/2"
    open: "gm21/1"

[switch2]
    pin: 5
    close: "gm22/2"
    open: "gm22/1"

[switch3]
    pin: 6
    close: "gm23/2"
    open: "gm23/1"