Missing Method in attachments

Error: The action Karam_kriya_flyer_2016_PDF.pdf is not defined in controller attachments

Error: Create attachments::Karam_kriya_flyer_2016_PDF.pdf() in file: app/controllers/attachments.php.

<?php
class attachments extends AppController {

	var $name = 'Attachments';


	function Karam_kriya_flyer_2016_PDF.pdf() {

	}

}
?>

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