FIRST_DAY_OF_NEXT_MONTH

Calculates the date corresponding to the first day of the next month of the provided date

FIRST_DAY_OF_NEXT_MONTH (date)

Can be used in the condition of a FIND action.

Attribute of the Date type or date constant or calculation producing a date

Date: the first day of the month after the given date.

IF FIRST_DAY_OF_NEXT_MONTH (Account.OpeningDate) = 01/11/2004 THEN ...