How To Add Checkbox To Checkout in WooCommerce

This is how you add a checkbox to checkout in Woocommerce. The Checkbox will appear in the checkout is not required (optional).

Add this code to your theme’s functions.php file:

// Add Checkbox
add_action('woocommerce_after_checkout_billing_form', 'newsletter_accept_field');
function newsletter_accept_field()
{
	woocommerce_form_field('newsletter_accept', array(
		'type' => 'checkbox',
		'class' => array('input-checkbox'),
		'label' => __('Yes, send me your newsletter.'),
		'required' => true,
	), WC()->checkout->get_value('newsletter_accept'));
}

//Update the order meta with field value
add_action('woocommerce_checkout_update_order_meta', 'newsletter_accept_update_order_meta');
function newsletter_accept_update_order_meta($order_id)
{
	if ($_POST['newsletter_accept']) {
		update_post_meta($order_id, 'Newsletter Accept', esc_attr($_POST['newsletter_accept']));
	}
}

See also: Add Checkbox To Woocommerce (Required Checkbox)

See also: Add Multiple Required Checkbox Fields On WooCommerce Checkout Page