# Newsletter Opt-In on the Block Checkout

> Adds an unticked "Send me news and offers" checkbox to the Checkout block and saves the answer on the order, so you only email customers who agreed.

- Type: PHP
- Runs: Run everywhere
- Category: [WooCommerce](https://wpide.com/library/category/woocommerce/)
- Requires: WooCommerce
- Tags: woocommerce, block-checkout, newsletter, consent
- Author: WPIDE Team
- Installs: 0
- Updated: 2026-10-28
- Page: https://wpide.com/library/woo-block-checkout-newsletter/

## Code

```php
add_action( 'woocommerce_init', function () {
    if ( ! function_exists( 'woocommerce_register_additional_checkout_field' ) ) {
        return;
    }

    woocommerce_register_additional_checkout_field( array(
        'id'       => 'wpide/newsletter',
        'label'    => 'Send me news and offers by email (you can unsubscribe at any time)',
        'location' => 'order',
        'type'     => 'checkbox',
    ) );
} );
```

## Notes

Needs WooCommerce 8.9 or newer; read the answer with $order->get_meta( '_wc_other/wpide/newsletter' ) when syncing to your mailing tool.

## How to use it

Install the free WPIDE plugin (https://wordpress.org/plugins/wpide/), find "Newsletter Opt-In on the Block Checkout" in its snippet library and add it in one click; or create a new PHP snippet in WPIDE (or any code snippets plugin) and paste the code above. More snippets: https://wpide.com/library/