how can I add a URL to use the iframe in a responsive

I have a problem, with using the iframe in a responsive application. check forums and I saw that I had to come to lifetime to configure and so I could add the URL to which I will use the iframe however now I encounter this problem. I would like help on how to solve it please.
I put a local URL like http: // localhost: 53912 / sells / view in base-URL nose if it's ok. any advice.
Thank you

Hi Nicolas,

Your problem description is very unclear, also the images added don't show.

Did you have a look at the IFrame documentation that OutSystems has?

There is also a video with instructions: