Floating rule

[Antibiotic]

Regarding docs: Traffic shaping
If all traffic inside the VPN must be prioritized by the firewall, then it is enough to consider only the VPN traffic itself directly on WAN, rather than attempting to queue traffic on the VPN separately. In these cases, use a floating rule on WAN to match the VPN traffic itself. The exact type of traffic varies depending on the type of VPN. IPsec and PPTP traffic on WAN can both be prioritized by the shaper wizard, and these rules can be used as an example to match other protocols.

So, use a floating rule on WAN to match the VPN traffic itself

Is it will correct rule than?