Support for Wikitude Software Development Kit and tools is coming to an end. All the details can be found here.
Kindly note that no new topics can be started on the forum from 21.09.2023. Also, some of the FAQs here (especially license related ones) might become inaccurate.
At the moment we don't support plane recognition.
The tracking plane orientation is used when initializing an Instant Tracker with a predefined plane.
Here are the relevant documentation pages for Unity: