woocommerce_cart_item_removed │ action-hook │ WC 1.0

Usage

add_action( 'woocommerce_cart_item_removed', 'wp_kama_woocommerce_cart_item_removed_action', 10, 2 );

/**
 * Function for `woocommerce_cart_item_removed` action-hook.
 * 
 * @param  $cart_item_key 
 * @param  $that          
 *
 * @return void
 */
function wp_kama_woocommerce_cart_item_removed_action( $cart_item_key, $that ){

	// action...
}

$cart_item_key

-

$that

-

Where the hook is called

do_action( 'woocommerce_cart_item_removed', $cart_item_key, $this );

Where the hook is used in WooCommerce

add_action( 'woocommerce_cart_item_removed', array( $this, 'persistent_cart_update' ) );

add_action( 'woocommerce_cart_item_removed', array( $this, 'calculate_totals' ), 20, 0 );