woocommerce-offtopic

Try this updated code. It should work: You can check this url for more information https://awhitepixel.com/blog/woocommerce-product-data-custom-fields-tabs/ add_action( ‘woocommerce_product_options_general_product_data’, ‘add_custom_fields_seo’); function custom_fields_save_seo( $post_id ){ $product = wc_get_product($post_id); $num_package = isset($_POST[‘_deposit_price’]) ? $_POST[‘_deposit_price’] : ”; $product->update_meta_data(‘_deposit_price’, sanitize_text_field($num_package)); $product->save(); } add_action( ‘woocommerce_process_product_meta’, ‘custom_fields_save_seo’ );