The function returns a TEXT representing the value of the user property with name propertyName which belongs to the user with user name userName.
If the user doesn't have the property, "" will be returned.
Syntax
userProperty(text propertyName, text userName) #Output: Text
The function returns the TEXT LIST of values of the user property with name propertyName in all the users whose names are contained in userNames.
The output will contain as many texts as users have the property set.
Syntax
userProperty(text propertyName, text list userNames) #Output: Text list
