woocommerce_installed хук-событие . WC 1.0

add_action( 'woocommerce_installed', 'action_function_name_4522' );
function action_function_name_4522(){
	// action...
}

woocommerce_installed

do_action( 'woocommerce_installed' );

add_action( 'woocommerce_installed', array( __CLASS__, 'reset_admin_notices' ) );

add_action( 'woocommerce_installed', array( $this, 'add_woocommerce_inbox_variant' ) );

add_action( 'woocommerce_installed', 'wc_delete_expired_transients' );