Binance.get_open_orders

You're seeing just the function get_open_orders, go back to Binance module for more information.
Link to this function

get_open_orders()

Get all open orders, alternatively open orders by symbol

Returns {:ok, [%Binance.Order{}]} or {:error, reason}.

Weight: 1 for a single symbol; 40 when the symbol parameter is omitted

Example

{:ok,
  [%Binance.Order{price: "0.1", origQty: "1.0", executedQty: "0.0", ...},
   %Binance.Order{...},
   %Binance.Order{...},
   %Binance.Order{...},
   %Binance.Order{...},
   %Binance.Order{...},
   ...]}
Link to this function

get_open_orders(symbol)