(Official) LUA Scripting Documentation
Pages
Functions to manipulate gui
input*
Display an input field and wait for user input.
menu*
Display a menu (list of items) and wait for user input (item selection).
msgbox*
Display a message box and wait for user input.
notify*
Post a notification to the screen.
open_block*
Open a block’s interface screen.
print*
Same as notify().