ExBinance.Rest.Responses.CreateOrderResponse.new

You're seeing just the function new, go back to ExBinance.Rest.Responses.CreateOrderResponse module for more information.
Link to this function

new(map_or_kwlist, opts \\ [])

Specs

new(ExConstructor.map_or_kwlist(), Keyword.t()) ::
  %ExBinance.Rest.Responses.CreateOrderResponse{
    client_order_id: term(),
    executed_qty: term(),
    fills: term(),
    order_id: term(),
    orig_qty: term(),
    price: term(),
    side: term(),
    status: term(),
    symbol: term(),
    time_in_force: term(),
    transact_time: term(),
    type: term()
  }