How to import backed up VM+xml?

So I figured out to backup VMs by saving disk as and exporting the xml.
But how do I import them back in in case I deleted some?

And why isnt there a dedicatd backup and import function? Seems like the most basic feature one would want to.

Please check Managing Virtual Machines Backup — OpenNebula 6.0.0 documentation, let us know if you are missing anything from the documentation.

This is a 6.0 feature only? Cant find it in 5.12 docs
Sadly its’ not a really useful backup feature because it doesnt allow hot backups. Obviously VMs cant be shut down for backup purposes.

Yes, this is a new 6.0 feature

How would one import in 5.12 if I have xml and image?