vyos@r4:~$ show version all | match "netavar|nft|ipta"
ii  iptables                             1.8.9-2                          amd64        administration tools for packet filtering and NAT
ii  libnftables1:amd64                   1.0.8-1                          amd64        Netfilter nftables high level userspace API library
ii  libnftnl11:amd64                     1.2.6-1                          amd64        Netfilter nftables userspace API library
ii  miniupnpd-nftables                   2.3.1-1                          amd64        UPnP and NAT-PMP daemon for gateway routers - nftables backend
ii  netavark                             1.4.0-4                          amd64        Rust based network stack for containers
ii  nftables                             1.0.8-1                          amd64        Program to control packet filtering rules by Netfilter project
vyos@r4:~$

set firewall group address-group test123 address 192.0.2.1 description "blackhole"

vyos@r4:~$ curl -k --location --request POST 'https://localhost/configure' --form data='{"op": "set", "path": ["service", "broadcast-relay", "id", "33", "description", "test"]}' --form key='VyOS-key'
{"success": false, "error": "[ service broadcast-relay ]\nPort number is mandatory for UDP broadcast relay \"33\"\n\n[[service broadcast-relay]] failed\nCommit failed\n", "data": null}

set firewall ipv4 output filter rule 10 action reject 
commit