the-bastion/bin/plugin/group-gatekeeper/groupAddMember.json

{
    "interactive": [
        "groupAddMember"                             , {"ac" : ["--account"]},
        "groupAddMember --account"                   , {"ac" : ["<ACCOUNT>"]},
        "groupAddMember --account \\S+"              , {"ac" : ["--group"]},
        "groupAddMember --account \\S+ --group"      , {"ac" : ["<GROUP>"]},
        "groupAddMember --account \\S+ --group \\S+" , {"pr" : ["<enter>"]}
    ],
    "master_only": true
}