woocommerce_settings_(id)_after хук-событие . WC 1.0
Использование
add_action( 'woocommerce_settings_(id)_after', 'action_function_name_4888' ); function action_function_name_4888(){ // action... }
Где вызывается хук
woocommerce_settings_(id)_after
woocommerce/includes/admin/class-wc-admin-settings.php 283
do_action( 'woocommerce_settings_' . sanitize_title( $value['id'] ) . '_after' );