////////////////////////////////////////////////////////////////////////
// Register Code Completion Handler
Application.onCompletion = function(/*IRange*/ selection ) {
	if ( ActiveDocument.Syntax.IsInheritedFrom("js") ) {
		var completion_set = CompletionSet();
                // add as a string
                completion_set.Add("Variable1");
                // add as a completion item. To refer style you can use relative syntax e.g. "variable", 
                // absolute "js:method" or at all pass Syntax object directly
                completion_set.Add(CompletionItem("Variable2", "js:methods"));
		this.ShowCompletionList(selection, completion_set, true);
		return true; // event is handled
	}
	// event is not handled, editor shall execute default logic
	return false;	 
};