Please note that whether you see text enclosed within <>, such as <something>, the <> shouldn't be included in the command when you use it.
Use the following pattern to get full information for any particular command.
> wp help shield <cmd> e.g. > wp help shield plugin opt-set
Common Commands For All Modules
The following commands are common to all Shield Modules.
List all the options for the given module.
> wp shield <module> opt-list
> wp shield <module> opt-get --key=<key>
> wp shield <module> opt-set --key=<key> --value=<value>
> wp shield <module> enable
> wp shield <module> disable