app.CreateMyPlugin = function() { return new MyPlugin(); } function MyPlugin() { this.callback = null; this.GetVersion = function( num, txt ) { return 1.0; } this.MyFunc = function( txt, num, bool ) { this.callback( txt + " World!!", num+20, !bool ); } this.SetOnMyReply = function( cb ) { this.callback = cb; } }