public function onAfterWrite()
 {
     parent::onAfterWrite();
     // This is to ensure this only fires once on each write
     if ($this->getFirstWrite()) {
         // Get Array of updated fields
         $UpdatedDataFields = $this->owner->getChangedFields(true, 2);
         // Get HasManyList of this Members MCSubscriptions
         $subs = $this->owner->getComponents("MCSubscriptions");
         // If the Member Has One or More Subscriptions
         if (is_object($subs) && $subs->exists()) {
             // Foreach of This Members Subscription Objects
             foreach ($subs as $sub) {
                 SS_Log::log("Subscription ID = " . $sub->ID, SS_Log::NOTICE);
                 // Get DataList of MC List Field Mappings (Excluding LastVisited) Which Are On The Member Class && In A MCList Which Concerns This Member (i.e. One They Are Subscribed To)
                 // (as if LastVisited is the ONLY updated field it just represents a site login, not an actual manual MC data field update)
                 $dl = new DataList("MCListField");
                 $mappings = $dl->where("\"OnClass\" = 'Member' AND \"MCListID\" = '" . $sub->MCListID . "' AND \"SyncDirection\" IN ('Export','Both') AND \"FieldName\" != 'LastVisited'");
                 // Foreach Mapping Record
                 foreach ($mappings as $mapping) {
                     SS_Log::log("Mapping Field Name = " . $mapping->FieldName, SS_Log::NOTICE);
                     // If The Member FieldName is One of the Updated Fields
                     if (isset($UpdatedDataFields[$mapping->FieldName])) {
                         // Mark the Subscription as Being Updated
                         SS_Log::log("\$UpdatedDataFields['" . $mapping->FieldName . "'] Is Set, doing \$sub->write();", SS_Log::NOTICE);
                         $sub->setSyncMailChimp($this->getSyncMailChimp());
                         // Set MCSubscriber Sync to MailChimp Based on This (Member) Sync State
                         $sub->setForceAdditionalWrite(true);
                         $sub->write();
                         break;
                     }
                 }
             }
         } else {
             if (isset($UpdatedDataFields["ID"])) {
                 // Creation Write
                 // Add New or Link Existing Subscription Records
                 $subs = MCSubscription::get()->where("\"Email\" = '" . $this->owner->Email . "'");
                 if (is_object($subs) && $subs->exists()) {
                     // Link Each Subscriber Object to this Member
                     foreach ($subs as $sub) {
                         $sub->setForceAdditionalWrite(true);
                         $this->owner->getComponents("MCSubscriptions")->add($sub);
                     }
                 } else {
                     // Get the Default MailChimp List To Relate The New Subscription To
                     $MCList = MCList::get()->sort("\"SortOrder\" ASC")->first();
                     if (is_object($MCList) && $MCList->exists()) {
                         // Create New Subscriber Object and Link to New Member
                         $sub = new MCSubscription();
                         $sub->setField("FirstName", $this->owner->FirstName);
                         $sub->setField("Surname", $this->owner->Surname);
                         $sub->setField("Email", $this->owner->Email);
                         $sub->setField("MemberID", $this->owner->ID);
                         $sub->setField("MCListID", $MCList->ID);
                         $sub->write();
                         // Link the New Subscriber Object to this Member
                         $this->owner->getComponents("MCSubscriptions")->add($sub);
                     } else {
                         SS_Log::log("No MCList object available to add new MCSubscriptions to when saving Member #" . $this->owner->ID, SS_Log::NOTICE);
                     }
                 }
             }
         }
     }
 }