woocommerce_order_details_before_order_table │ action-hook │ WC 1.0

Usage

add_action( 'woocommerce_order_details_before_order_table', 'wp_kama_woocommerce_order_details_before_table_action' );

/**
 * Function for `woocommerce_order_details_before_order_table` action-hook.
 * 
 * @param  $order 
 *
 * @return void
 */
function wp_kama_woocommerce_order_details_before_table_action( $order ){

	// action...
}

$order

-

Where the hook is called

<?php do_action( 'woocommerce_order_details_before_order_table', $order ); ?>

Where the hook is used in WooCommerce