Click the Settings Gear
Click "All Settings"
Click "System Integration" on the left
Choose your list and hit "Setup"
It will bring you to a screen like this where you can customize your mapping.
Remember you may need to click on the 'Show Optional Configuration' link at the bottom of the page to access Domain Settings, Blacklists, Exclusion Lists, and other optional items.
If you need more help - don't forget about our handy little chat icon found in the upper right-hand corner of your Agency Revolution product. We are happy to help!