Button Grundgerüst

os.loadAPI("button")
m = peripheral.wrap("back")
m.clear()
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function fillTable()
  button.setTable("Button1", button1, 3, 11, 3, 5)
  button.screen()
end

function getClickt()
  event, side,x,y = os.pullEvent("monitor_touch")
  button.checkxy(x,y)
end
function button1()
  button.toggleButton("Button1")
end
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fillTable()
button.heading("Button Test")
while true do
  getClickt()
end