If you have a Transglobal Express account all you need to do is add your API Key and ensure the "Is Enabled" tickbox is checked.
You can also set multiple options that you can enable once you have connected with Transglobal Express and these are the following include the following.
- Ability to set a Dimensions strategy.
- An ability yo set your integration to a testing account by enabling the "Is Testing Enabled" option.
- Options to add your full From address.