gistfile1.js

var ttsService = {  
   service: "TextToSpeech",    
   version: "1",    
   minversion: "1.0.2"    
};  

BrowserPlus.init(function(res) {  
    BrowserPlus.require(
        {services: [ ttsService ]},  
        function(r) {  
            BrowserPlus.TextToSpeech.Say(  
                { utterance: "text to speech is activated" },  
                function() {} );  
        });  
    });