Number of rooms in property

Presume you are meaning bathrooms so you could use this snippet
https://docs.wpcasa.com/article/snippet-custom-number-of-baths-and-beds-in-listing-details/
need to install the Code Snippets Plugin

Thanks.
I would like it for “Rooms” so , I would need to modify the [details_1] or [details_2] parameter?

Thanks
Dan

Yes, you can change in Listing features