@titanium/turbo/samples/apps/ui/map/controllers/annotationView.js

Turbo is a variation of Titanium Alloy that adds some enhancements and customizations for rapid development.

var args = arguments[0] || {};
$.annotation.title = args.title || '<no title>';
$.annotation.latitude = args.latitude || 0;
$.annotation.longitude = args.longitude || 0;