shadimanna

add_filter('pr_shipping_dhl_label_args', 'modify_order_id_to_number', 10, 2);
function modify_order_id_to_number($args, $order_id) {
 	$order = wc_get_order( $order_id );
	$args['dhl_settings']['dhl_label_ref'] = $order->get_order_number();
	return $args;
}

shadimanna

add_filter('pr_shipping_dhl_order_weight', 'custom_add_weight', 10, 2);
function custom_add_weight($total_weight, $order_id) {
	$order = wc_get_order( $order_id );
	if ($order) {
		$shipping_address = $order->get_address( 'shipping' );
		if( $shipping_address['country'] == 'DE' ) {
			return 30;
		}
	}

shadimanna

add_filter('pr_shipping_dhl_label_args', 'maybe_remove_state', 10, 2);
function maybe_remove_state($args, $order_id) {
	if( isset( $args['shipping_address']['state'] ) && ( strlen( $args['shipping_address']['state'] ) < 2 || strlen( $args['shipping_address']['state'] ) > 20 ) ) {
		unset($args['shipping_address']['state']);
	}
	return $args;
}

shadimanna

add_filter('pr_shipping_dhl_label_args', 'maybe_add_company', 10, 2);
function maybe_add_company($args, $order_id) {
	if( ! empty( $args['shipping_address']['company'] ) ) {
		if( ! empty( $args['shipping_address']['address_2'] ) ) {
			$args['shipping_address']['address_2'] = $args['shipping_address']['address_1'] . ', ' . $args['shipping_address']['address_2'];
		} else {
			$args['shipping_address']['address_2'] = $args['shipping_address']['address_1'];
		}
		$args['shipping_address']['address_1'] = $args['shipping_address']['company'];
	}

shadimanna

add_filter('pr_shipping_dhl_label_args', 'modify_item_sku', 10, 2);
function modify_item_sku($args, $order_id) {
	if( isset( $args['items'] ) ) {
		foreach ($args['items'] as $item_key => $item_value) {
			$item_value['item_description'] = "ENTER THE DESCRIPTION YOU WANT";
		}
	}
	return $args;
}