class_docstr: A callback class for an order.
docstr: Callback for an order after being filled.
  
  Parameters
  ----------
  order : `Order`
      The order being filled.
  trade : `Trade`
      The trade that is filling the order.
docstr_tok: ["Callback","for","an","order","after","being","filled",".","Parameters","--","--","--","--","--","order",":","`","Order","`","The","order","being","filled",".","trade",":","`","Trade","`","The","trade","that","is","filling","the","order","."]
code: def on_fill(self, order: "Order", trade: "Trade") -> None:
      """Callback for an order after being filled.
  
      Parameters
      ----------
      order : `Order`
          The order being filled.
      trade : `Trade`
          The trade that is filling the order.
      """
      pass
  
imports: from abc import ABCMeta
label_desc: Use image node_id 3 for calling the OrderListener obj's underlying member method code with example usage: obj.on_fill(order, trade) without return types