discourse/spec/requests/api/schemas/json/group_add_members_response.json

{
  "additionalProperties": false,
  "properties": {
    "success": {
      "type": "string"
    },
    "usernames": {
      "type": "array",
      "items": {

      }
    },
    "emails": {
      "type": "array",
      "items": {

      }
    }
  },
  "required": [
    "success",
    "usernames",
    "emails"
  ]
}