ExBinance.Rest.CreateOrder.create_order

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

create_order(params, credentials)

Specs

create_order(request() | params(), credentials()) ::
  {:ok, response()} | {:error, {:new_order_rejected, String.t()} | term()}
Link to this function

create_order(symbol, side, type, quantity, price, time_in_force, credentials)

This function is deprecated. Use ExBinance.Rest.CreateOrder.create_order/2 instead..