--- title: How to Customize Purchase Limit Messages and Enforce Limits at Checkout description: "Customize WooCommerce purchase limit messages: cart notices, checkout blocking, product messages, with placeholders." url: "https://wpfactory.com/docs/frontend-user-limits/" updated: "2026-09-26" category: How to tags: - Maximum Products per User for WooCommerce --- # How to Customize Purchase Limit Messages and Enforce Limits at Checkout ## Customizing how limits appear to customers The Frontend section of [Maximum Products per User for WooCommerce](https://wpfactory.com/item/maximum-products-per-user-for-woocommerce/) controls the messages and validation customers see: cart notices, checkout blocking, a single product limit message and a My Account tab. These options are free. ![Frontend Options in Maximum Products per User: Validate on add to cart and Cart notice](https://wpfactory.com/wp-content/uploads/max-products-per-user-frontend-options.png) ### Where to find it Go to **WPFactory > Max Products per User** (also reachable at **WooCommerce > Settings > Maximum Products per User**), then open the **Frontend** section. ### Message placeholders Your messages can include placeholders such as `%limit%`, `%bought%`, `%remaining%`, `%in_cart%`, `%product_title%`, `%term_name%` and more. See the full [message placeholders reference](https://wpfactory.com/docs/maximum-products-per-user-for-woocommerce/). ### Key options | Label | Option ID | Default | | --- | --- | --- | | Validate on add to cart | `alg_wc_mppu_validate_on_add_to_cart` | Yes | | Cart notice (Disable / Enable / As text) | `alg_wc_mppu_cart_notice` | Enable | | Cart notice type (notice / error / success) | `alg_wc_mppu_cart_notice_type` | Notice | | Multiple notices (one per product) | `alg_wc_mppu_multiple_notices` | Yes | | Block checkout page | `wpjup_wc_maximum_products_per_user_stop_from_seeing_checkout` | No | | Product limit message (single product page) | `alg_wc_mppu_permanent_notice` | Disable | ### Customer messages The per-product and per-term customer messages use the `[wpfmppu_customer_msg]` shortcode with `bought_msg`, `not_bought_msg` and `bought_msg_min`. You can gate the single-product message with a **Condition** such as `%remaining% == 0`. **Note:** the current shortcode tag is `[wpfmppu_customer_msg]`; the old `[alg_wc_mppu_customer_msg]` tag is deprecated as of 4.5.0. ### My Account tab Enable **My account tab** (`alg_wc_mppu_my_account_enabled`) to add a "Product limits" tab. Its content uses `[wpfmppu_user_product_limits]` and `[wpfmppu_user_terms_limits]`. See [the My Account tab how-to](https://wpfactory.com/docs/maximum-products-per-user-for-woocommerce/). ## How to Enforce Purchase Limits at Cart and Checkout [Maximum Products per User for WooCommerce](https://wpfactory.com/item/maximum-products-per-user-for-woocommerce/) can stop a customer before they overshoot a limit, at add to cart, on the cart page, and at checkout. These enforcement options are free and live in the Frontend and General sections. ![Quantity input and Add to cart button options in the Maximum Products per User General section](https://wpfactory.com/wp-content/uploads/add-to-cart-button.png) ### Where to find it Go to **WPFactory > Max Products per User** (also reachable at **WooCommerce > Settings > Maximum Products per User**). ### The enforcement chain 1. **Add to cart validation:** in the Frontend section, keep **Validate on add to cart** (`alg_wc_mppu_validate_on_add_to_cart`) on so customers are stopped as soon as they try to exceed a limit. 2. **Quantity field cap:** in the General section, enable **Quantity input** (`alg_wc_mppu_set_qty_field_max_attr`) to cap the quantity selector at the remaining limit. 3. **Disable add to cart:** in the General section, enable **Add to cart button** (`alg_wc_mppu_disable_product_purchase_by_limit`) to disable purchasing once the limit is reached. 4. **Cart notice:** show remaining limits on the cart with **Cart notice** and choose the tone with **Cart notice type**. 5. **Block checkout:** enable **Block checkout page** (`wpjup_wc_maximum_products_per_user_stop_from_seeing_checkout`) to redirect over-limit carts back to the cart page. ### Additional validation actions The **Additional validation actions** field (`alg_wc_mppu_validation_actions`) lets you list WordPress action hooks, one per line, on which limits are re-checked. For example, add `woocommerce_review_order_before_submit` to re-validate when the checkout updates. **Tip:** if you count by payment method, you may want **Validate on add to cart** and **Block checkout page** off, so customers can switch payment method when a limit is hit. ### Showing limits to customers Pair enforcement with a clear message. Use the single product **Product limit message** and the My Account tab shortcodes `[wpfmppu_user_product_limits]` and `[wpfmppu_user_terms_limits]` (current tags; the `alg_wc_mppu_*` versions are deprecated as of 4.5.0). ### Get more control These frontend options are free. [Maximum Products per User for WooCommerce](https://wpfactory.com/item/maximum-products-per-user-for-woocommerce/) Pro adds per-product, per-category and formula limits. [See what Pro unlocks](https://wpfactory.com/item/maximum-products-per-user-for-woocommerce/). Related articles - [How to Set Purchase Limits by Formula (and When to Use Them)](https://wpfactory.com/docs/max-products-per-user-formula-limits/) - [How to Set Product-Specific Purchase Limits](https://wpfactory.com/docs/setting-product-specific-limits/) - [How to Handle Guest Purchase Limits in WooCommerce](https://wpfactory.com/docs/guest-user-product-limits/) - [How to Set a Date Range for WooCommerce Purchase Limits](https://wpfactory.com/docs/managing-woocommerce-product-limits/) - [How to Set Up Product Purchase Limits in WooCommerce](https://wpfactory.com/docs/manage-product-limits/)   [![Maximum Products per User for WooCommerce](https://wpfactory.com/wp-content/uploads/Maximum-Products-per-User-for-WooCommerce.webp)](https://wpfactory.com/item/maximum-products-per-user-for-woocommerce/)