Are there any hook or filter when refund is done through admin -woocommerce

I am using Woocommerce plugin for my custom product .and I am stuck with a situation .

Does Woo commerce provide any hook or filter when refund is done through admin panel and refund will be manually.

Although this answer is little late but anyone else may get benefit from it. The woocommerce_order_refunded hook is called when an order is refunded. Use the following example:

// add the action 
add_action( 'woocommerce_order_refunded', 'action_woocommerce_order_refunded', 10, 2 ); 
// Do the magic
function action_woocommerce_order_refunded( $order_id, $refund_id ) 
{ 
  // Your code here
}