Missing Method in CakenewsController

You are seeing this error because the action RosSoft is not defined in controller CakenewsController

Notice: this error is being rendered by the app/views/errors/missing_action.thtml view file, a user-customizable error page for handling invalid action dispatches.

Fatal: Create Method:

<?php
    class CakenewsController extends AppController
    {
        function RosSoft()
        {

        }
    }
?>

in file : app/controllers/cakenews_controller.php

Error: Unable to execute action RosSoft in CakenewsController