code: def notify_order(self, order):
      curdtstr = self.data.datetime.datetime().strftime(
          "%a %Y-%m-%d %H:%M:%S"
      )
      if order.status in [order.Completed]:
          dtstr = bt.num2date(order.executed.dt).strftime(
              "%a %Y-%m-%d %H:%M:%S"
          )
          if order.isbuy():
              print("%s: BUY  EXECUTED, on:" % curdtstr, dtstr)
              self.order = None
          else:  # Sell
              print("%s: SELL EXECUTED, on:" % curdtstr, dtstr)
  
file_path: backtrader/samples/order-close/close-minute.py
imports: from __future__ import absolute_import, division, print_function
  import argparse
  import datetime
  import backtrader
  import backtrader.feeds
label_desc: Use image node_id 2 for calling the St obj's underlying member method code with example usage: obj.notify_order(order) without return types