code: public CoinbaseSell sell(String accountId, BigDecimal total, Currency currency, boolean commit)
        throws IOException {
  
      return sellInternal(
          accountId, new SellPayload(total, currency.getCurrencyCode(), commit, false));
    }
docs: Authenticated resource that lets you convert Bitcoin crediting your primary bank account on
  Coinbase. (You must link and verify your bank account through the website before this API call
  will work).
  
  @see <a
  href="https://developers.coinbase.com/api/v2#place-sell-order">developers.coinbase.com/api/v2#place-sell-order</a>