Code-Snippets-Functions/Execute a function on a child site/WooCommerce/add-to-cart-quantity-suffix.txt

add_action( 'woocommerce_after_quantity_input_field', 'wc_echo_qty_front_add_cart' );
  
function wc_echo_qty_front_add_cart() {
   echo '<span class="qty-suff">liters</span>'; 
}