To setup Transbank you will need to find your Commerce Code
If you don’t have one you will need to register for one here – https://portaltransbank.cl/afiliacion/registrate.html#/
Copy this code into the box
Select your currency
You will then be supplied a Public Key, which needs to be sent to Transbank support (firstname.lastname@example.org)
They will confirm the integration and advise to go live, following this reply you can uncheck the box in validation mode for testing checkbox (see below).