'Initialize an instance of :class:`DimensionDataBackupClientAlert`
:param trigger: Trigger type for the client i.e. ON_FAILURE
:type  trigger: ``str``
:param notify_list: List of email addresses that are notified
when the alert is fired
:type  notify_list: ``list`` of ``str``'

def __init__(self, trigger, notify_list=[]):

    self.trigger = trigger
    self.notify_list = notify_list
