This will backup the following directories to your backup host using proxmox backup client. This is to be used in conjunction with an automation to backup hassio and then start this addon. Below is an example of the automation.

Folders being backed up

/addons
/backup
/config
/share
/ssl

Automation Example

alias: Backup HassIO
description: ''
trigger:
  - platform: time
    at: '23:00:00'
condition: []
action:
  - service: hassio.backup_full
    data:
      name: autobackup {{now().strftime('%Y-%m-%d %H:%M:%S')}}
  - delay: '00:05'
  - service: hassio.addon_start
    data:
      addon: 116a6749_pbs-client
mode: single