array( __( 'Brand', 'woo-feed' ), true, 'taxonomy' ), 'gtin' => array( __( 'GTIN', 'woo-feed' ), true, 'text' ), 'mpn' => array( __( 'MPN', 'woo-feed' ), true, 'text' ), 'ean' => array( __( 'EAN', 'woo-feed' ), true, 'text' ), 'isbn' => array( __( 'ISBN', 'woo-feed' ), true, 'text' ), 'age_group' => array( __( 'Age group', 'woo-feed' ), true, 'text' ), 'gender' => array( __( 'Gender', 'woo-feed' ), true, 'text' ), 'material' => array( __( 'Material', 'woo-feed' ), true, 'text' ), 'cost_of_good_sold' => array( __( 'Cost of good sold', 'woo-feed' ), true, 'text' ), 'availability_date' => array( __( 'Availability Date', 'woo-feed' ), true, 'date' ), 'unit' => array( __( 'Unit', 'woo-feed' ), true, 'text' ), 'unit_pricing_measure' => array( __( 'Unit Price Measure', 'woo-feed' ), true, 'text' ), 'unit_pricing_base_measure' => array( __( 'Unit Price Base Measure', 'woo-feed' ), true, 'text' ), 'custom_field_0' => array( __( 'Custom field 0', 'woo-feed' ), true, 'text' ), 'custom_field_1' => array( __( 'Custom field 1', 'woo-feed' ), true, 'text' ), 'custom_field_2' => array( __( 'Custom field 2', 'woo-feed' ), true, 'text' ), 'custom_field_3' => array( __( 'Custom field 3', 'woo-feed' ), true, 'text' ), 'custom_field_4' => array( __( 'Custom field 4', 'woo-feed' ), true, 'text' ), ); return apply_filters( 'woo_feed_product_custom_fields', $custom_fields ); } }