OptionaldayIdentifies days Interval from start date that items can be sent Default: undefined
OptionaldaysIdentifies days within each month that items can be sent If both monthInterval and dayInterval are undefined, it will be default to [28]
OptionalmonthIdentifies month interval that items can be sent For example, if it is set to 2 and start date is in Jan, items will be sent out every two months (Jan, March, May etc.) If both monthInterval and dayInterval are undefined, it will be set to 3
Identifies frequency of items sent Default: send data on 28th every 3 month each year