Missing Method in ProductsController

Error: The action link liên kết is not defined in controller ProductsController

Error: Create ProductsController::link liên kết() in file: app/controllers/products_controller.php.

<?php
class ProductsController extends AppController {

	var $name = 'Products';


	function link liên kết() {

	}

}
?>

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

(default) 5 queries took 7 ms
NrQueryErrorAffectedNum. rowsTook (ms)
1SHOW FULL COLUMNS FROM `products`37371
2SELECT CHARACTER_SET_NAME FROM INFORMATION_SCHEMA.COLLATIONS WHERE COLLATION_NAME= 'utf8_general_ci';115
3SELECT CHARACTER_SET_NAME FROM INFORMATION_SCHEMA.COLLATIONS WHERE COLLATION_NAME= 'utf8_unicode_ci';110
4SHOW FULL COLUMNS FROM `catproducts`18181
5SELECT CHARACTER_SET_NAME FROM INFORMATION_SCHEMA.COLLATIONS WHERE COLLATION_NAME= 'ucs2_general_ci';110