WordPress at Your Fingertips
filter is not described

woocommerce_add_to_cart_fragments filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_add_to_cart_fragments', 'filter_function_name_3664' );
function filter_function_name_3664( $array ){
	// filter...

	return $array;
}
$array
-

Where the hook is called

WC_AJAX::get_refreshed_fragments()
woocommerce_add_to_cart_fragments
woocommerce/includes/class-wc-ajax.php 193-198
'fragments' => apply_filters(
	'woocommerce_add_to_cart_fragments',
	array(
		'div.widget_shopping_cart_content' => '<div class="widget_shopping_cart_content">' . $mini_cart . '</div>',
	)
),

Where in WP core the hook is used WooCommerce

Usage not found.