To install and enable the repository will be required to have access to the OPNsense command line (CLI).To access CLI remotely you can use the SSH access, following the steps needed to enable it on OPNsense:
To enable SSH access, you need to go to System / Settings / Administration and enable options as the following picture :
To enable the Cloudfence repository, you must first download and install it on your OPNsense, as root run the following command in the CLI:
pkg add https://community.cloudfence.com.br/os-cloudfence-repo.txz
After installed, the repository configuration options will be available in the Cloudfence / Repository menu.
click on Save button
Updating OPNsense packages:
Access the Dashboard: on the Lobby/Dashboard menu
Click on "Click to check for updates"
After the packages update is finished, check if you can see the Cloudfence repository listed as the following picture: