This material demonstrates the usage of click scripts to get the value of the input box as part of the [url=http://wiki.geogebra.org/en/Tutorial:Introduction_to_GeoGebraScript]Introduction to GeoGebraScript[/url] tutorial. The click script's magic is all [i]%0[/i], which is the placeholder you have to use in the script to get the value of the input box in your script.