PhantomJS onNavigationRequested()

wpage.onNavigationRequested = function(url, type, willNavigate, main) {}

var wpage = require('webpage').create();
wpage.onNavigationRequested = function(url, type, willNavigate, main) {
   console.log('Trying to navigate to: ' + url);
   console.log('Caused by: ' + type);
   console.log('Will actually navigate: ' + willNavigate);
   console.log('Sent from the page\'s main frame: ' + main);
}
wpage.open('http://localhost/tasks/wopen2.html', function(status) {
   console.log(status);

   if (status == success) {
      console.log(wpage.content);
      wpage.reload();
   } 
});

Trying to navigate to: http://localhost/tasks/wopen2.html
Caused by: Other
Will actually navigate: true
Sent from the page's main frame: true
Success