{
  "title": "Select User",
  "description": "If the following user logged in ...",
  "type": "object",
  "required": [
    "user"
  ],
  "properties": {
    "user": {
      "title": "Select a user from the dropdown list",
      "type": "string",
      "enum": [
        "Nelson",
        "Malala",
        "Harriet",
        "Martin"
      ]
    }
 }
}