{
  "requiredOneOf": [
    "group-name",
    "group-alias",
    "archive",
    "attachment"
  ],
  "attributes": {
    "group-name": {
      "description": "The name of the group, channel or community.",
      "ui-priority": 1,
      "misp-attribute": "text"
    },
    "group-alias": {
      "description": "Aliases of group, channel or community.",
      "ui-priority": 1,
      "multiple": true,
      "misp-attribute": "text"
    },
    "app-used": {
      "description": "The IM application used to send the message.",
      "ui-priority": 1,
      "misp-attribute": "text",
      "disable_correlation": true,
      "multiple": true,
      "sane_default": [
        "WhatsApp",
        "Google Hangouts",
        "Facebook Messenger",
        "Telegram",
        "Signal",
        "WeChat",
        "BlackBerry Messenger",
        "TeamSpeak",
        "TorChat",
        "RetroShare",
        "Slack"
      ]
    },
    "username": {
      "description": "A user account who is a member of the group.",
      "ui-priority": 1,
      "misp-attribute": "text",
      "multiple": true
    },
    "person-name": {
      "description": "A person who is a member of the group.",
      "ui-priority": 1,
      "misp-attribute": "text",
      "multiple": true
    },
    "url": {
      "description": "Original URL location of the group (potentially malicious).",
      "ui-priority": 1,
      "misp-attribute": "url"
    },
    "link": {
      "description": "Original link into the group (Supposed harmless).",
      "ui-priority": 1,
      "misp-attribute": "link"
    },
    "archive": {
      "description": "Archive of the original group (Internet Archive, Archive.is, etc).",
      "ui-priority": 1,
      "multiple": true,
      "misp-attribute": "link"
    },
    "attachment": {
      "description": "A screen capture or exported list of contacts, group members, etc.",
      "ui-priority": 1,
      "multiple": true,
      "misp-attribute": "attachment"
    }
  },
  "version": 1,
  "description": "Instant Message (IM) group object template describing a public or private IM group, channel or conversation.",
  "meta-category": "misc",
  "uuid": "e26becca-2149-4bc0-b3fb-7090d43af28f",
  "name": "instant-message-group"
}