how to pass SSIS parameter to fetch the every month end date?

Hi All,

right now i am using for loop container to load everyday data , below is the parameter i am using.

@[User::SelectDate4]<=dateadd("DAY",-1,getdate())

now ,actually my requirement got changed and we want run this every month last date , it has to loop every month last date for the particular year.

can you please advise me to do this.

Thanks ,