Hello Mouad,I had the same struggle to get this values decoded, the only way I found (it was also google's recommendation) to do it was using a Java Callout.Unfortunately, I still haven't got the time to document it properly but I can share the code ...

I think your problem is in the extract variables. The policy docs only mention the as child of . /something/{basepath} https://cloud.google.com/apigee/docs/api-platform/reference/policies/extract-variables-policy#uripathelementHowever, given the use...