WordPress at Your Fingertips
filter is not described

(hook_prefix)(key) filter-hook . WC 1.0

Usage

add_filter( '(hook_prefix)(key)', 'filter_function_name_3060', 10, 2 );
function filter_function_name_3060( $value, $that ){
	// filter...

	return $value;
}
$value
-
$that
-

Where the hook is called

WC_Data::get_meta()
(hook_prefix)(key)
woocommerce/includes/abstracts/abstract-wc-data.php 352
$value = apply_filters( $this->get_hook_prefix() . $key, $value, $this );

Where in WP core the hook is used WooCommerce

Usage not found.