                                flushInterval: Double = 60,
                                instanceName: String? = nil,
                                optOutTrackingByDefault: Bool = false,
-                               useUniqueDistinctId: Bool = false) -> MixpanelInstance {
+                               useUniqueDistinctId: Bool = false,
+                               superProperties: Properties? = nil) -> MixpanelInstance {
         return MixpanelManager.sharedInstance.initialize(token: apiToken,
                                                          flushInterval: flushInterval,
                                                          instanceName: ((instanceName != nil) ? instanceName! : apiToken),
                                                          optOutTrackingByDefault: optOutTrackingByDefault,
-                                                         useUniqueDistinctId: useUniqueDistinctId)
+                                                         useUniqueDistinctId: useUniqueDistinctId,
+                                                         superProperties: superProperties)
     }
     #endif // os(OSX)
 


     - parameter token:                     your project token
     - parameter flushInterval:             Optional. Interval to run background flushing
     - parameter instanceName:              Optional. The name you want to call this instance
     - parameter optOutTrackingByDefault:   Optional. Whether or not to be opted out from tracking by default
     - parameter useUniqueDistinctId:       Optional. whether or not to use the unique device identifier as the distinct_id

     - important: If you have more than one Mixpanel instance, it is beneficial to initialize
     the instances with an instanceName. Then they can be reached by calling getInstance with name.


     - parameter token:                     your project token
     - parameter flushInterval:             Optional. Interval to run background flushing
     - parameter instanceName:              Optional. The name you want to call this instance, has to be unique and correspond with the instance's project token
     - parameter optOutTrackingByDefault:   Optional. Whether or not to be opted out from tracking by default
     - parameter trackAutomaticEvents:      Optional. Whether or not to collect common mobile events, it takes precedence over Autotrack settings from the Mixpanel server.
     - parameter useUniqueDistinctId:       Optional. whether or not to use the unique device identifier as the distinct_id
     - parameter superProperties:           Optional. Super properties dictionary to register during initialization

     - important: If you have more than one Mixpanel instance, it is beneficial to initialize
     the instances with an instanceName. Then they can be reached by calling getInstance with name.
