Add a cart (or product) to Bitrix order via rest api?

Question

1C-Bitrix

Request example:

$basket = call('sale.basketitem.add', array(
  'fields' => array(
    'orderId' => '75386',
    'quantity' => '1',
    'name' => 'test',
  )
));

Answer 1

fields: {
              orderId: 75386            
              productId: 135,
              quantity: 1,
              name: 'test'
        }