How to configure PODMAN_HOST, when /run/podman/podman.sock is missing

I have RHEL virtual machine with an application running in a Podman container. According to podman-support/3611, Podman containers are supported, because Netdata queries the Podman socket:

PODMAN_HOST="${PODMAN_HOST:=/run/podman/podman.sock}"

However, I see no /run/podman/podman.sock object on the VM.

What value should I specify for PODMAN_HOST? Is is documented anywhere?