Return the first non-empty tag value or optional literal value

Syntax

<<[Fallback:<<Tag1>><<Tag2>>LiteralValue]>> Server

Tags Required

One or more tags

Literal Value

Literal value to return if all tags are empty (optional)

Examples

Function	Result
<<[Fallback:<<PreferredFirstName>><<FirstName>>]>>	Jimmy
<<[Fallback:<<PhoneNumber>>None]>>	None