vyos@vyos:~$ show ipv6 ospfv3
Possible completions:
  <Enter>               Execute the current command
  area                  Show Shortest Path First tree information
  border-routers        Show OSPFv3 border-router (ABR and ASBR) information
  database              Show OSPFv3 Link state database information
  graceful-restart      Show IPv4 OSPF Graceful Restart