def __init__(self, etype, eid, filename=None):
        wx.PyCommandEvent.__init__(self, etype, eid)
        self.filename = filename
:param id: Policy ID.
dataset/ETHPy150Open legalosLOTR/mdb/MDB/wx_signal.py/FileDoneEvent.__init__--crossover with--dataset/ETHPy150Open apache/libcloud/libcloud/compute/drivers/cloudsigma.py/CloudSigmaFirewallPolicy.__init__