WordPress at a glance
action is not described

woocommerce_checkout_update_customer action-hook . WC 3.0.0

Action hook to adjust customer before save.

Usage

add_action( 'woocommerce_checkout_update_customer', 'action_function_name_9817', 10, 2 );
function action_function_name_9817( $customer, $data ){
	// action...
}
$customer
-
$data
-

Changelog

Since 3.0.0 Introduced.

Where the hook is called

WC_Checkout::process_customer()
woocommerce_checkout_update_customer
woocommerce/includes/class-wc-checkout.php 1088
do_action( 'woocommerce_checkout_update_customer', $customer, $data );

Where in WP core the hook is used WooCommerce

Usage not found.