code: def notify_trade(self, trade):
      if trade.isclosed:
          self.log(
              "TRADE PROFIT, GROSS %.2f, NET %.2f"
              % (trade.pnl, trade.pnlcomm)
          )
  
file_path: backtrader/samples/commission-schemes/commission-schemes.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import argparse
  import datetime
  import backtrader
  import backtrader.feeds
  import backtrader.indicators
label_desc: Use image node_id 3 for calling the SMACrossOver obj's underlying member method code with example usage: obj.notify_trade(trade) without return types