Date.IsInPreviousNYears(**dateTime** as any, **years** as number) as nullable logical
Indicates whether the given datetime value
dateTime occurs during the previous number of years, as determined by the current date and time on the system.
datetimezonevalue to be evaluated.
years: The number of years.
Determine if the year before the current system time is in the previous two years.
Date.IsInPreviousNYears(Date.AddYears(DateTime.FixedLocalNow(), -1), 2)