woocommerce_payment_complete │ action-hook │ WC 1.0

Usage

add_action( 'woocommerce_payment_complete', 'wp_kama_woocommerce_payment_complete_action', 10, 2 );

/**
 * Function for `woocommerce_payment_complete` action-hook.
 * 
 * @param  $id             
 * @param  $transaction_id 
 *
 * @return void
 */
function wp_kama_woocommerce_payment_complete_action( $id, $transaction_id ){

	// action...
}

$id

-

$transaction_id

-

Where the hook is called

do_action( 'woocommerce_payment_complete', $this->get_id(), $transaction_id );

Where the hook is used in WooCommerce

add_action( 'woocommerce_payment_complete', 'wc_maybe_reduce_stock_levels' );

add_action( 'woocommerce_payment_complete', 'wc_release_stock_for_order', 11 );

add_action( 'woocommerce_payment_complete', 'wc_paying_customer' );