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<https://developers.hubspot.com/docs/guides/api/crm/extensions/crm-cards#iframe-actions>

Legend TVM - searched high and low but missed that one somehow

no problem, we use it as well to show a “loading” iframe and then close the iframe when it is done

does one need to add a handler for the 2 types of accepted post messages in the JSX or TSX file for the UI extension, or should the CRM handle these b...

We just send the postMessage in JavaScript in the page running in the iframe to close it

this is exactly what I was doing - running into the same error that Sanjay reported a bit later

No text content

`window.parent.postMessage(JSON.stringify({"action": "DONE"}), "*");`

that postMessage really ought to be workng, shouldn't it?

Hey, I just checked and we actually do use this in our app anymore (we had the code but it wasn’t called) so I wasnt able to test it out…probably need...

sounds like they fixed it at last!!