Returns the 4-digit year from the specified date.
date can be any of the following:
- Another function that returns a date.
- A formula column that returns a date.
- If today is October 1, 2015 the following function returns 2015:
- The following function returns 2013:
- If c:"specialDay" is a formula column that specifies October 1, 2015, the following function returns 2015: