woocommerce_structured_data_product_offer │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_structured_data_product_offer', 'wp_kama_woocommerce_structured_data_product_offer_filter', 10, 2 );

/**
 * Function for `woocommerce_structured_data_product_offer` filter-hook.
 * 
 * @param  $markup_offer 
 * @param  $product      
 *
 * @return 
 */
function wp_kama_woocommerce_structured_data_product_offer_filter( $markup_offer, $product ){

	// filter...
	return $markup_offer;
}

$markup_offer

-

$product

-

Where the hook is called

$markup['offers'] = array( apply_filters( 'woocommerce_structured_data_product_offer', $markup_offer, $product ) );

Where the hook is used in WooCommerce