# Design

The Stock Package Shipping MyGLS Module introduces or extends the following concepts.

## MyGLS Credential

This is used to store the credentials needed to connect to the MyGLS API.

See also

The credentials can be accessed from the main menu item:

> Carrier ‣ Configuration ‣ MyGLS Credentials

## Carrier

When the Stock Package Shipping MyGLS Module is activated, carriers gain some extra properties. These include a new shipping server “MyGLS”, printer configuration and services.

See also

The Carrier concept is introduced by the Carrier Module.