code: function (success, fail, args, env) {
  		var result = new PluginResult(args, env),
              userargs,
              wv,
              i;
  
  		// userargs are encoded and need decoding & parsing into a json object
  		userargs = JSON.parse(decodeURIComponent(args.userargs));
  		// which window handle should we use?
  		wv = qnx.webplatform.getWebViews();
  		for (i = 0;i < wv.length;i++) {
  			if (wv[i].zOrder === '0') {
  				// found window handle.
  				result.ok(screenshotJNEXT.getInstance().execute({
                      handle: wv[i].jsScreenWindowHandle,
                      userargs: userargs
  				}));
  				return;
  			}
  		}
  		fail("error:no window handle");
  	}
docs: execute() finds the window handle, processes userargs then performs the screenshot