Integer expression for number of working days to add.
By default Saturdays and Sundays are considered as non-working days.
Specify string with non-working day numbers (use 1 for Monday, 2 fort Tuesday, 3 for Wednesday, 4 for Thursday, 5 for Friday, 6 for Saturday, 7 for Sunday).
If not specified then
If Time dimension options are specified then these Time dimension non-working days will be used (in this case please do not specify this argument).
DateAddWorkdays([Issue].CurrentMember.get('Created at'), 5)
DateAddWorkdays([Issue].CurrentMember.get('Created at'), 5, '67')