GeoGebra supports two scripting languages - GGBScript and Javascript. ... we told GeoGebra to call this function whenever a new object is added.
wiki.geogebra.org/en/Reference:JavaScript
GeoGebra Applet Parameters - description of all GeoGebra applet parameters GeoGebra Applets and JavaScript - description of the JavaScript interface of GeoGebra …
GeoGebra JavaScript Methods. From GeoGebraWiki. Jump to: navigation, search. GeoGebra 3.2, November 2008 Markus Hohenwarter, Michael Borcherds