Woo Import: добавить произвольное поле в стандартный импорт

functions.php

/**
 * Register the 'Custom Column' column in the importer.
 *
 * @param array $options
 * @return array $options
 */
add_filter( 'woocommerce_csv_product_import_mapping_options', 'add_column_to_importer' );
function add_column_to_importer( $options ) { 
	// column slug => column name
	$options['_price_types_1'] = 'Оптовая цена'; return $options; 
} 

/**
 * Add automatic mapping support for 'Custom Column'. 
 * This will automatically select the correct mapping for columns named 'Custom Column' or 'custom column'.
 *
 * @param array $columns
 * @return array $columns
 */
add_filter( 'woocommerce_csv_product_import_mapping_default_columns', 'add_column_to_mapping_screen' );
function add_column_to_mapping_screen( $columns ) { 
	// potential column name => column slug
	$columns['Оптовая цена'] = '_price_types_1'; 
	$columns['оптовая цена'] = '_price_types_1'; 
	return $columns; 
} 

/**
 * Process the data read from the CSV file.
 * This just saves the value in meta data, but you can do anything you want here with the data.
 *
 * @param WC_Product $object - Product being imported or updated.
 * @param array $data - CSV data read for the product.
 * @return WC_Product $object
 */
add_filter( 'woocommerce_product_import_pre_insert_product_object', 'process_import', 10, 2 );
function process_import( $object, $data ) {
	
	if ( ! empty( $data['_price_types_1'] ) ) {
		$object->update_meta_data( '_price_types_1', $data['_price_types_1'] );
	}

	return $object;
}