As a basic / backend configuration, create a delivery method record for DPD delivery Ireland. You can create this under Sales / Configuration / Sale Orders / Delivery Methods menu.

For configuring the backend, you should enter User Name, Password, Basic Token values and click Configure button, an Access Token will be generated.

You can create sales quotations under Sales / Orders / Quotations menu.

While creating the quotation, should select one Customer and select the Delivery Method as DPD For Ireland. You can check and set the price for delivery method and add the products under Order Lines tab. Then confirm the sale by clicking Confirm Sale button and a delivery order will be created.

In the delivery order, you can check the product availability and validate it. While validating the delivery order, a Tracking Reference and a DPD Label URL are generated. From the DPD Label URL you can get the DPD Label as below.