undoAttributesCommand.ms

testAttributes = attributes testAttrs
(
    rollout testAttr_RO "Test Attributes"
    (
        button test1_BT "Snap To Zero" width:160 height:30
        button test2_BT "Snap To 10" width:160 height:30
        
        on test1_BT pressed do
        (
            undo "Snap To Zero" on
            (
                $Box002.pos = [0,0,0]
            )
        )
        
        on test2_BT pressed do
        (
            undo "Snap To 10" on
            (
                $Box002.pos = [0,0,10]
            )
        )
    )
)

CustAttributes.add $.modifiers[1] testAttributes