def __init__(self,<EOL>click_tracking=None,<EOL>open_tracking=None,<EOL>subscription_tracking=None,<EOL>ganalytics=None):
self._click_tracking = None<EOL>self._open_tracking = None<EOL>self._subscription_tracking = None<EOL>self._ganalytics = None<EOL>if click_tracking is not None:<EOL><INDENT>self._click_tracking = click_tracking<EOL><DEDENT>if open_tracking is not None:<EOL><INDENT>self._open_tracking = open_tracking<EOL><DEDENT>if subscription_tracking is not None:<EOL><INDENT>self._subscription_tracking = subscription_tracking<EOL><DEDENT>if ganalytics is not None:<EOL><INDENT>self._ganalytics = ganalytics<EOL><DEDENT>
Create a TrackingSettings object

        :param click_tracking: Allows you to track whether a recipient clicked
                               a link in your email.
        :type click_tracking: ClickTracking, optional
        :param open_tracking: Allows you to track whether the email was opened
                              or not, but including a single pixel image in
                              the body of the content. When the pixel is
                              loaded, we can log that the email was opened.
        :type open_tracking: OpenTracking, optional
        :param subscription_tracking: Allows you to insert a subscription
                                      management link at the bottom of the
                                      text and html bodies of your email. If
                                      you would like to specify the location
                                      of the link within your email, you may
                                      use the substitution_tag.
        :type subscription_tracking: SubscriptionTracking, optional
        :param ganalytics: Allows you to enable tracking provided by Google
                           Analytics.
        :type ganalytics: Ganalytics, optional