Gmail destination allows you to connect your Gmail account and perform these actions:

• Automate email sending via your account (Journey's action)
• Track replies and stop email automation for created Journeys

How to create a new Gmail destination

Go to Destinations and select "Create destination" -> Gmail.

Next, use "Sign in with Google" to authorize your account connection.

Approve access to your Google Account.

Where to go next?

Go to Journeys and create a journey using the "Send email" action with the "Gmail" destination selected.

Read more on configuring the action in Journey blocks.