instructor json schema

json_schema.ex

%{
  "$defs" => %{
    "Politician.Office" => %{
      "description" => "",
      "properties" => %{
        "from_date" => %{"format" => "date", "title" => "from_date", "type" => "string"},
        "office" => %{
          "enum" => ["president", "vice_president", "governor", "congress", "senate"],
          "title" => "office",
          "type" => "string"
        },
        "to_date" => %{"format" => "date", "title" => "to_date", "type" => "string"}
      },
      "required" => ["from_date", "office", "to_date"],
      "title" => "Politician.Office",
      "type" => "object"
    }
  },
  "description" => "A description of United States Politicians and the offices that they held,\n\n## Fields:\n- first_name: Their first name\n- last_name: Their last name\n- offices_held:\n  - office: The branch and position in government they served in\n  - from_date: When they entered office or null\n  - until_date: The date they left office or null\n",
  "properties" => %{
    "first_name" => %{"title" => "first_name", "type" => "string"},
    "last_name" => %{"title" => "last_name", "type" => "string"},
    "offices_held" => %{
      "items" => %{"$ref" => "#/$defs/Politician.Office"},
      "title" => "Politician.Office",
      "type" => "array"
    }
  },
  "required" => ["first_name", "last_name", "offices_held"],
  "title" => "Politician",
  "type" => "object"
}