problem with child theme language

Hi. I want to add language in woodmart-child . so I made a folder named: languages and then I added this in functions.php in child folder.

function child_theme_slug_setup() {
    load_child_theme_textdomain( 'woodmart', get_stylesheet_directory() . '/languages' );
}
add_action( 'after_setup_theme', 'child_theme_slug_setup' );

but nothing happens .. pls help me