code: function (success, fail, args, env) {
  		var result = new PluginResult(args, env);
  		resultObjs[result.callbackId] = result;
  		args = JSON.parse(decodeURIComponent(args["input"]));
  		vibration.getInstance().vibration_request(result.callbackId, args);
  		result.noResult(true);
  	}
docs: These methods call into JNEXT.vibration which handles the communication through the JNEXT plugin to vibration_js.cpp Request vibration function