Subscribe your users/visitors that fill Gravity forms to Mailchimp.
Enable the integration on any form you wish. Select on which list the user will be subscribed
Enable or disable double-optin
Select any possible merge fields and map them easily
Select if you want to update merge fields for existing subscribers
Select if you want to set the VIP status or not
Select if you want to update the VIP status for existing subscribers
Set user notes are use variables that Gravity form supports