The Smartcode Data Service will require a dedicated Sage user logon to connect to the Sage system.
To add a new user first of all open Sage 50 and logon in the usual way. You will need to logon with an account with access to user settings.
From the top menu select Settings > Access Rights
When the Access Rights load select 'New'
You now have the option to create the user with your chosen User name and Password. The access may be restricted to the modules required by your Smartcode Data Service.
Once complete click OK.