A Customer Segment allows you to create a group of Customers and apply certain online booking criteria to those Customers only
Customer Segment settings override all other system settings
To tag a Customer as being in a Customer Segment the Customer Segment must first be created. See How do I create a Customer Segment?
To place a Customer into a Customer Segment click Customers > List then Edit by the Customers name and select the Segments tab (only visible if at least one segment has been created)
Select a segment/s you wish this Customer to be a part of, then click Save.
One Customer may be a part of multiple Customer Segments.