Is it possible to create scheduled backup tasks via CLI/API

A cron task can be added to schedule backups to a remote storage for example:

# echo '/usr/local/psa/bin/pleskbackup server --output-file=ftp://username:password@example.com/myfolder' > /etc/cron.weekly/99plesk-backup && chmod +x /etc/cron.weekly/99plesk-backup

Note: for the following, the usage of Powershell is required.

Run the following commands to schedule a server-wide daily backup at 1am for example:

PS C:> $action = New-ScheduledTaskAction -Execute 'C:\Windows\system32\cmd.exe' -Argument '/c "plesk bin pleskbackup --server"'
PS C:> $trigger = New-ScheduledTaskTrigger -Daily -At 1am
PS C:> $principal = New-ScheduledTaskPrincipal -UserId SYSTEM
PS C:> Register-ScheduledTask -Action $action -Principal $principal -Trigger $trigger -TaskName "Daily Backup at 1am"

Create an extension to schedule tasks following our documentation: How to Create and Install Extensions and Extension SDK documentation: Scheduling Tasks