WordPress at a glance
action is not described

woocommerce_login_failed action-hook . WC 1.0

Usage

add_action( 'woocommerce_login_failed', 'action_function_name_6655' );
function action_function_name_6655(){
	// action...
}

Where the hook is called

WC_Form_Handler::process_login()
woocommerce_login_failed
woocommerce/includes/class-wc-form-handler.php 984
do_action( 'woocommerce_login_failed' );

Where in WP core the hook is used WooCommerce

Usage not found.