Authenticate
In the Authenticate step, click “Authenticate with Google” and you’ll be redirected to a Google login page. Login with your Gmail account and grant access to Less.
Configuration
In the Configuration step, you need to input your Google Analytics Property ID. You can find more information about how to find your Property ID here.
Tables
In the Tables step, you need to select the tables you want to extract into Less. You can select predefined tables (Basic Page Overview, Source/Medium and Adwords) or you can write your own GAQL Queries. You can define your own custom dimensions and metrics. See more about that here.