       title: Map.get(bill, "title"),
       summary: Map.get(bill, "summary"),
       committees: Map.get(bill, "committees"),
+      committee_codes: Map.get(bill, "committee_codes"),
       url: Map.get(bill, "congressdotgov_url"),
       date_introduced: Map.get(bill, "introduced_date"),
       history: Map.get(bill, "actions") |> Enum.slice(1..5),

    title: String.t(),
    summary: String.t(),
    committees: list(String.t()),
    url: String.t(),
    date_introduced: String.t(),
    history: list(map()),

    title: nil,
    summary: nil,
    committees: [],
    committee_codes: [],
    url: nil,
    date_introduced: nil,
    history: [],
