Generated Custom Property Values
You can generate values of various types for a custom property at the message/action, clip, and track levels using the Custom Property, Value drop-down, Generated Value.
Once generated value is selected, the default Date tab appears with the other tabs shownI is the same in each of the supported custom properties types (i.e. message or action, clip, and track). Custom property generation can be accomplished by using any of the three tabs in the Generated Value tabs: Date/Time, String, or Number.