As the connection will be an application that interfaces with Evernote, you will need to register at Evernote as a developer, create an Evernote application, and obtain a Developer Token at the Evernote website.
Evernote Registration Steps¶
From the dashboard web page, click on your login icon:
Click on Settings > Applications or use the web page:
Copy the developer token and store it safely where you can retrieve it when configuring the connector.
Documentation on obtaining an Evernote developer token is available at the Evernote Developer website.