def METHOD_NAME(self):
    """Request a validator to start monitoring ledger"""
    # initial execution for getting current number of blocks
    self.monitoring_routine(True)
    self.isMonitoring = True
    print(f"##{self.moduleName}.startMonitor()")
    schedule.every(1).minutes.do(self.monitoring_routine)
    while self.isMonitoring:
        schedule.run_pending()