in
Description: Returns true if the
Subject is matching one of the provided arguments.
Subject Type: String
Arguments:
value1 : First possible matching value
valueN : Nth possible matching value
Return Type: Boolean
Examples: If the "myEnum" attribute has the
value "JOHN", then the Expression ${myEnum:in("PAUL",
"JOHN", "MIKE")} will return true.
${myEnum:in("RED", "GREEN", "BLUE")} will
return false.