What is this:
Whether next birthday of the staff falls within the current payroll period.
Value will be returned:
Y - if birthday falls within the current payroll period.
N - if date of birth is not defined, or the next birthday doesn't fall within the current payroll period.
Company want to give $1000 birthday bonus on the month of birthday. You can then create a pay type for "Birthday Bonus" and put the formula as:
This is a variable that returns text, so remember to put it within single quotation mark (') and compare it with text also in single quotation mark.