WordPress at a glance
action is not described

woocommerce_after_register_post_type action-hook . WC 1.0

Usage

add_action( 'woocommerce_after_register_post_type', 'action_function_name_1436' );
function action_function_name_1436(){
	// action...
}

Where the hook is called

WC_Post_Types::register_post_types()
woocommerce_after_register_post_type
woocommerce/includes/class-wc-post-types.php 483
do_action( 'woocommerce_after_register_post_type' );

Where in WP core the hook is used WooCommerce

woocommerce/includes/class-wc-post-types.php 28
add_action( 'woocommerce_after_register_post_type', array( __CLASS__, 'maybe_flush_rewrite_rules' ) );
woocommerce/packages/woocommerce-admin/src/Notes/OrderMilestones.php 82
add_action( 'woocommerce_after_register_post_type', array( $this, 'init' ) );