woocommerce_api_create_product_category_data filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_api_create_product_category_data', 'filter_function_name_1421', 10, 2 );
function filter_function_name_1421( $data, $that ){
	// filter...

	return $data;
}

$data

-

$that

-

Where the hook is called

$data = apply_filters( 'woocommerce_api_create_product_category_data', $data, $this );

Where in WP core the hook is used WooCommerce