add_action('woocommerce_before_cart', 'apply_coupon_based_on_category'); function apply_coupon_based_on_category() { $coupon_code = 'CATEGORYCODE'; // Gutscheincode für bestimmte Kategorie $target_category = 'sale'; // Name der Kategorie $cart = WC()->cart; $coupon_applied = false; foreach ($cart->get_cart() as $cart_item) { $product = $cart_item['data']; if (has_term($target_category, 'product_cat', $product->get_id())) { $coupon_applied = true; break; } } if (!$coupon_applied) { $cart->apply_coupon($coupon_code); } }