Binance.get_all_prices

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

get_all_prices()

Get all symbols and current prices listed in binance

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

Example

{:ok,
  [%Binance.SymbolPrice{price: "0.07579300", symbol: "ETHBTC"},
   %Binance.SymbolPrice{price: "0.01670200", symbol: "LTCBTC"},
   %Binance.SymbolPrice{price: "0.00114550", symbol: "BNBBTC"},
   %Binance.SymbolPrice{price: "0.00640000", symbol: "NEOBTC"},
   %Binance.SymbolPrice{price: "0.00030000", symbol: "123456"},
   %Binance.SymbolPrice{price: "0.04895000", symbol: "QTUMETH"},
   ...]}