Set reporting endpoint in cross-domain iframe from parent page

[wiedaw]

Hello.
I generate on my website cross-origin iframes which include ads. Is it possible to set endpoint inside these iframes to send reports to my custom endpoint when an ad intervention occure?
I've set the observer and endpoint on parent page but nothing is sent. I also injected script to these iframes and also nothing is sent.

Thank you in advance for you help.

[clelland]

Reporting endpoints can be defined on any frame, but they only affect reports that are generated within that frame. So if the intervention occurs within the frame where you set the endpoints, then they should be sent. If the intervention happens in a different frame, then it will not be.

If you suspect this is a bug in Chrome's implementation (which is totally possible,) then you can file a bug at https://crbug.com/, with reproduction steps if you have them, and the team there can investigate.

[wiedaw]

To be more accurate: I load the page and get the response from the ad server with the creative. I prepare the iframe and render this response inside the iframe. I don't know the structure inside the response, so I can get different creatives.
So, is it possible to set the endpoint from parent page in that iframe when the creative comes from third-party?
Or set some communication to pass this information up to the parent page about ad intervention?

I get the information about intervention in developer console so I'm wondering if I can capture in other way the event that some ads on my page was blocked.

[clelland]

Closing as not planned