...
Keys
This is where you will get the Client ID and Client Secret
You will need to populate these in Magento Admin
Redirect URIs
Click on Add URI
Copy-paste the callback URI from the Magento (see the TNW QuickBooks > General configuration page)
App URLs
Host Domain - is your website (eg. mystore.com)
Launch URL: https://powersync.biz/integrations-magento2-quickbooks
Disconnect URL: https://powersync.biz/quickbooks-disconnected
...
Click Save.
FINAL STEP
Go to Configuration: Connecting to QuickBooks to connect your app to Magento.