WordPress at Your Fingertips
action is not described

woocommerce_before_customer_login_form action-hook . WC 1.0

Usage

add_action( 'woocommerce_before_customer_login_form', 'action_function_name_292' );
function action_function_name_292(){
	// action...
}

Where the hook is called

In file: /templates/myaccount/form-login.php
woocommerce_before_customer_login_form
woocommerce/templates/myaccount/form-login.php 22
do_action( 'woocommerce_before_customer_login_form' ); ?>

Where in WP core the hook is used WooCommerce

woocommerce/includes/wc-template-hooks.php 311
add_action( 'woocommerce_before_customer_login_form', 'woocommerce_output_all_notices', 10 );