The feature has been rapidly taken up by Touch Stay and Airbnb users as hosts seemingly seek efficiencies in handling guest questions, containing conversations in the Inbox, and being able to automate guest comms and guidebook sharing and reminders.
Managed through a one-time set-up, anytime-edit feature, you can find out more about it here https://touchstay.com/integrations/airbnb?utm_source=ASSC&utm_medium=email+social&utm_campaign=airbnb