{ "access": "read", "avail": "1.6.0", "brief": [ "This command fetches a DHCPv4 option definition from the configuration database." ], "cmd-comment": [ "The desired option definition is identified by the pair of option code/space values. The ``server-tags`` list is mandatory and must contain exactly one server tag. Specifying an empty list, a value of ``null``, or multiple server tags will result in an error. The server tag \"all\" is allowed, to fetch the option definition instance shared by all servers." ], "cmd-syntax": [ "{", " \"command\": \"remote-option-def4-get\",", " \"arguments\": {", " \"option-defs\": [", " {", " \"code\":