Locations & GLNs

The app matches EDI messages to your Shopify locations (warehouses). For that it needs two things: your Shopify locations, and each one’s GLN (Global Location Number).

Locations

The app picks up your active Shopify locations automatically every time it opens — no manual sync is needed. Under Settings → Locations & GLNs, you’ll see every location along with its GLN.

If you add, rename, or deactivate a location in Shopify, the app picks up the change automatically the next time it opens.

Setting a location’s GLN

A GLN is a 13-digit number that uniquely identifies a location worldwide. Trading partners address EDI messages using GLNs — the app uses them to match an incoming message to the right location.

The GLN isn’t managed inside the app itself, but through a Shopify metafield:

1. Open Settings → Locations in Shopify (also linked from the Locations & GLNs page of the app’s settings).
2. Open the location you want and enter the number in the GLN metafield.
3. Save in Shopify. The app reads the value automatically the next time it displays it.

You’ll get the GLN from your trading partner or from your master data. Without a GLN on file, an incoming message can’t be matched to a location and ends up in error handling.

Don’t have a GLN yet?

A GLN isn’t a number you can pick yourself. It’s globally unique and registered through a provider such as GS1, which assigns it to your company. Without a real GLN, proper EDI exchange with your trading partners isn’t possible — partners address their messages using exactly this number.

GLNs are issued by the national GS1 member organisations; you can find the one responsible for your country through the GS1 directory.

Note

Just testing? The 952 prefix is reserved for demonstration purposes. Until your real GLN arrives, you can enter a value like 9520000000011 to try out the matching inside the app. It won’t work for real exchange with trading partners.

Only one location? Automatic assignment

If your shop has exactly one location, the app assigns incoming DESADV despatch advices to it automatically — even without a matching GLN. The message shows this as an override, which you can change to a different location there if needed.

Checking the format

A GLN is exactly 13 digits (including the check digit). If the metafield contains spaces or letters, the app can’t match incoming messages to that location.

Next step

Setup is now complete. For an overview of the message types the app processes, see Message types.