The XML command Get has a couple issues.
The wiki gives “Devices3” as an example database that can be retrieved. Devices3 does not work but devices3 (all lower case) does work.
Other database names that do work are macros3, scenes, timers3 and zone. These examples should be added to the wiki.
The Get responses are missing all spaces. The xml elements have no spaces and the device names and scenes don’t have any spaces.