Extract data on report between last 30 days from current date.

Hi Experts,

Ealrier i had provided user promt to select the date range, now i need to schedule the report for this i have to set the date between last 30 days from current date.

How can i add this in formaula on record selection.

before:

{pm_process.pm_creation_date} in {@Start Date to UTC} to {@End Date to UTC}

I tried:

{pm_process.pm_creation_date} in CurrentDate() - 30 to CurrentDate()

But this is diplaying me only data of 30th date from current date.

Please advice.