I’m trying to display an element from an app (matchmyemail) by using a template/iframe. It works when I use the url I got by inspecting the element and keep the specific record ID as is. I can’t seem to get it to work though whenever I try to replace the ID with any merge syntax
Here’s the error message I get in the editor page with all the attempts I’ve made so far:
“Visualforce Error
Id value is not valid for the Contact standard controller”
Here’s the syntax I’ve last tried:
https://mme.eu3.visual.force.com/apex/EmailMessagesContact?id={{{id}}}"; width="100%" height="500">Any help would be appreciated.



I plug in the merge syntax (using the field picker this time, thanks Rob) for the contact Id and am immediately prompted to leave the page
Oh, and here’s the page previewed to show the ID hack in action. Seems to work fine when not part of the iframe (I’m using the specific contact Id (same as in the 1st image above))
And for what it’s worth, here the preview with the element inspect (sharing in case it might add anything here) 