Adds time to the date.
addToDate(date, type, amount)
Specifies the date value as a 64-bit number representing the number of milliseconds since January 1, 1970.
Type of time units added to date. Possible values are SECONDS, MINUTES, HOURS, DAYS, WEEKS, MONTHS, YEARS.
Number of time units to add to date.
Returns a numeric value representing the specified date.