gui : how can I make sure when I open my menu that a certain button works with only 1 tag

[proper kelp]

how can I make sure when I open my menu that a certain button works with only 1 tag

function MenuTest(player) {
const g = new ActionFormData()
g.title("Minerai")
g.button("test")

g.show(player).then(result => {
if (result.selection === 0) {}
})}