get_meta( 'your_custom_field', true ); $custom_field_value = 'testing'; if ( ! empty( $custom_field_value ) ) { echo esc_html( $custom_field_value ) ; } } /** * Display the custom field value on the order details page. * * @param WC_Order $order Order object. */ public function display_custom_field_on_order_details( $order ) { $custom_field_value = $order->get_meta( 'your_custom_field', true ); if ( ! empty( $custom_field_value ) ) { echo '

' . __( 'Custom Field', 'codewp' ) . ': ' . esc_html( $custom_field_value ) . '

'; } } } new CodeWP_WooCommerce_Custom_Fields_Display();