DATE_ADD

Returns the date resulting from adding/subtracting the specified number of days to the specified date

DATE_ADD (date, days)

Can be used in the condition of a FIND action.

An expression producing date and an expression producing a number to be added or subtracted (if the number is negative) to the date

Date: the date plus (or, if negative, minus) the given number of days

IF DATE_ADD (Account.OpeningDate, 4) = 07/04/2004 THEN ...