According to Google documentftion Dynamic Remarketing: How to Create FID for Adaptive Ads
"Listing name* and "Description" fields must contain no more than 25 characters.
If the field "Listing NAME" is not filled, amount of rooms, total living area and name of the object is displayed by default.
For example: "1-K apartment, 74 sq.m. AC Rock."
This field can be customized using available placeholders.
If field "Description" is not filled, then information about the apartment is displayed by default, namely:
Living area, kitchen area, floor.
For example: "Living area 39.85 sq.m., kitchen 15.5 sq.m., 1st floor."
This field can also be customized using available placeholders.
After that, you can download a CSV file to a computer by copying the link and inserting it into the browser window.
Now go to the Google advertisement account
If you see such a menu:
Choosing "Real Estate":
Think of the title for the feed and select the saved file on the computer:
Click "Apply" and wait until the feed is uploaded
Wait for the status to be changed