Maybe you meant it?
Grant server owner rights
ownerid Steam ID
writecfg
Revoke the right of the server owner
removeowner Steam ID
writecfg
Granting an Individual Player Permission: oxide.grant user player name privilege name
Remove permission for individual player: oxide.revoke user player name privilege name
Granting rights to all players in a group, using the example of the admin group: oxide.grant group admin inventorycleaner.allowed
Adding a player to an existing group, for example the admin group: oxide.usergroup add player name admin
Removing a player from an existing group, for example the admin group: oxide.usergroup remove player name admin
Removing a group permission from a group, using the admin group as an example: oxide.revoke group admin privilege_name
Creating a group, using the example of the vip group: oxide.group add vip oxide.group add vip VIP 0
Removing an existing group, using the example of the vip group: oxide.group remove vip
Setting a name or rank, using the example of a vip group: oxide.group set vip "[VIP Member]" oxide.group set vip "[VIP Member]" 1
Setting the parent group: oxide.group parent admin default
Show players, permission groups: oxide.show user player name
Show all groups: oxide.show groups
Revoke permission from group: oxide.revoke group
Displaying all permissions: oxide.show perms
Show group permissions: oxide.show group