using shared folder for backup VMs

[Blisk]

I didn't manage to make ISCSI to work with proxmox for backup.
Now I am trying to use shared folder for that but that also doesn't work.
I see mounted disks but still can not see that in option for proxmox backup I get ony "local" option and nothing else.
how to make it so I can use shared folder for backup WMs?

 

[BobhWasatch]

You have to add /mnt/pve/BACKUP as a directory storage.