-- Add a label (text)
main:addLabel()
    :setText("Hello World")
    :setPosition(4, 2)

-- Add an input field
main:addInput()
    :setPosition(4, 6)
    :setSize(20, 1)

-- Add a list
main:addList()
    :setPosition(4, 8)
    :setSize(20, 6)
    :addItem("Item 1")
    :addItem("Item 2")