Once the addon is launched, you can see the following page:
Take into account the lower sector (marked at the illustration above). This sector helps to pass the authorization to the Company on QuickBooks to start working with the addon’s actions.
Click the necessary field (for instance, [Sign in with Google]) to open the form for signing in. Specify your QuickBook credentials there.
If connection is successful, you should see the [Connect] button:
An authorization area becomes active and you will have an access to the additional options opposite:
1. Add option - you should go through the authorization steps once again to add a new company
2. Edit option - opens a form with the connection details and rewrites the existing account
3. Delete action - removes account that is selected from a list
Now you are ready to proceed.