We have a button link that we’re trying to both track with UTMs specific to the campaign and populate using a Contact Custom Field Merge value.
If the custom field linkValue = https://myurl.com
This works:
~Contact._linkValue~
And this works:
https://myurl.com?utm_campaign=This-Campaign
But this does not:
~Contact._linkValue~?utm_campaign=This-Campaign
The redirect fails and I land on a page that just says, “This page isn’t working. is-tracking-link-api-prod.appspot.com sent an invalid response”
Any suggestions?