A test URL with two ? query-string markers will fail Required Parameters checks — use ? only once, then & for every parameter after that.
Symptoms
A revision draft loads successfully when testing, but Required Parameters aren’t satisfied — for example, with a test URL like:
Applies to: Invoca Tag
Cause
The test URL used a ? query parameter twice.
Resolution
Only use ? once, at the very beginning of the query string. Use & to separate every parameter after that. The corrected URL would be:
Last modified on September 30, 2026
