You can choose from hundreds of templates. You can use them as they are or customize them to suit your needs.
When a new abandoned checkout is created in Shopify, a new conversation is created in Drift.
When a new row with a contact is created in Google Sheets spreadsheet, a new contact is created in Drift.
When a webhook with an email is received, that e-mail is unsubscribed from emails in Drift. The webhook should have this structure: firstname.lastname@example.org and it should be stored in an e-mail that is being sent to the customers (newsletter), e. g. in a button called "unsubscribe from the newsletter".