You are able to send text messages to any of your guests right from the ResyOS system. To begin this process tap into the guest profile the select 'Chat'.
In the Messages tab you will type your message into the the 'Text Message' field and hit Send. Messages that you send are limited to 140 characters (including spaces).
Once a message has been sent you will see it appear in the 'Messages' tab with a time stamp of when it was sent as well as a blue speech bubble on next to the guest name on the reservation list.
Once a guest replies the blue speech bubble on their profile will turn red, and you will be able to view their response in the Messages tab. A portion of the message will be also be visible on the green bar within the guest profile.