Missing Method in HistoricoController

Error: The action sinageo is not defined in controller HistoricoController

Error: Create HistoricoController::sinageo() in file: app/controllers/historico_controller.php.

<?php
class HistoricoController extends AppController {

	var $name = 'Historico';


	function sinageo() {

	}

}
?>

Notice: If you want to customize this error message, create app/views/errors/missing_action.ctp