Integrate with Mixpanel

// Flagship campaign activation

        Flag<String> myFlag = flagshipVisitor.getFlag("myFlag", "defaultValue");
        myFlag.userExposed();

// Get Flagship campaign information, map it, and send it to Mixpanel

        MessageBuilder messageBuilder = new MessageBuilder("MIXPANEL_TOKEN");
        MixpanelAPI mixpanel = new MixpanelAPI();
        ClientDelivery clientDelivery = new ClientDelivery();

        JSONObject campaignMetadata = myFlag.metadata().toJSON();
        if (properties != null) {
            clientDelivery.addMessage(messageBuilder.event("distinctId", "flagship_event", campaignMetadata));
            mixpanel.deliver(clientDelivery);
        }

//... some other codes

Flagship.start(ENV_ID, API_KEY, {
  onVisitorExposed: ({ exposedVisitor, fromFlag }) => {
    mixpanel.track('flagship_event', {
      distinct_id: exposedVisitor.id,
      ...fromFlag.metadata
    })
  }
})

//... do some stuff

// Then Calling flag.getValue() or flag.visitorExposed() anywhere will trigger onVisitorExposed callback

// Flagship campaign activation

        val myFlag = visitor.getFlag("myFlag", "defaultValue")
        myFlag.userExposed()

// Get Flagship campaign information, map it, and send it to Mixpanel

        mixpanel.track("flagship_event", myFlag.metadata().toJson())

// We assume you created visitor and fetched flags

// Retrieve the current visitor
FSVisitor * currentVisitor = [[Flagship sharedInstance] sharedVisitor];

// Get Flag object
FSFlag * myFlagObject = [currentVisitor getFlagWithKey:@"my_flag" defaultValue:@"defaultValue"];

// Expose the campaign
[myFlagObject userExposed];

// Get flagship campaign information and send it to Mixpanel
NSDictionary * campaign_metadata =  [[myFlagObject metadata] toJson];
[mixpanel track:@"flagship_event" campaign_metadata];

<?php

require_once __DIR__.'/vendor/autoload.php';

use Flagship\Config\DecisionApiConfig;
use Flagship\Enum\CacheStrategy;
use Flagship\Flagship;
use Flagship\Model\ExposedFlagInterface;
use Flagship\Model\ExposedVisitorInterface;
use Segment\Segment;

// callback
function onVisitorExposed(ExposedVisitorInterface $visitorExposed, ExposedFlagInterface $fromFlag)
{
    // Forward the information to your third party
    // This block is excuted each time the visitorExposed is called and sucess

    // Get metadata of exposed flag
    $trackProperties = json_decode(json_encode($fromFlag->getMetadata()), true);
    
    // Set visitor id
    $trackProperties["distinct_id"] = $visitorExposed->getId();

    // Send information to Mixpanel
    $mp = Mixpanel::getInstance("MIXPANEL_PROJECT_TOKEN");
    $mp->track("flagship_event", $trackProperties);
}

// Start SDK
Flagship::start("your_env_id", "your_api_key", DecisionApiConfig::decisionApi()
        ->setCacheStrategy(CacheStrategy::BATCHING_AND_CACHING_ON_FAILURE)
        ->setOnVisitorExposed('onVisitorExposed')); // set the callback

// Create visitor
$visitor = Flagship::newVisitor('visitorId')->build();

//Fetch flags
$visitor->fetchFlags();

// Ex: get flag for vip feature
$flag = $visitor->getFlag("displayVipFeature", false);

// Use this flag value to enable displaying the vip feature.
$flag->getValue();

// You should keep in mind by default on getting the flag value ,the SDK expose the visitor.

// batch and send all hits in the pool 
Flagship::close();

// when the expose sucess ==>  the callback defined in the "setOnVisitorExposed" config will be triggered

// We assume you created visitor and fetched flags

// Retrieve the current visitor

if let currentVisitor = Flagship.sharedInstance.sharedVisitor{
    
    // Get the flag object
    let myFlagObject = currentVisitor.getFlag(key: "my_flag", defaultValue:"defaultValue")
    
    // Expose the campaign
    myFlagObject.userExposed()
    
    // Get flagship campaign information and send it to Mixpanel
    if let campaign_metadata =  myFlagObject.metadata().toJson() as? [String:MixpanelType]{
        
        Mixpanel.mainInstance().track(event: "flagship_event", properties:campaign_metadata)
    }
}

<FlagshipProvider 
   onVisitorExposed={({ exposedVisitor, fromFlag }) => {
    mixpanel.track('flagship_event', {
      distinct_id: exposedVisitor.id,
      ...fromFlag.metadata
    })}
>
 //... do some stuff

// Then Calling flag.getValue() or flag.visitorExposed() anywhere will trigger onVisitorExposed callback
</FlagshipProvider>

//////////////////////////////////////////////
/////// Start SDK with custom options  ///////
//////////////////////////////////////////////

    // Create configuration otptions
    FlagshipConfig customConfig =
        ConfigBuilder().withOnVisitorExposed((visitorExposed, fromFlag) {
      // Forward the information to your third party
      // This block is excuted each time the visitorExposed is called and sucess

      // Send visitor information to Mixpanel
      mixpanel?.track("flagship_event", properties: visitorExposed.toJson());

      // Send flag information to Mixpanel
      mixpanel?.track("flagship_event", properties: fromFlag.toJson());
    }).build();

    // Start SDK
    await Flagship.start("envId", "apiKey", config: customConfig);
    // Create visitor
    var currentVisitor = Flagship.newVisitor("visitorId").build();

    // Fetch flags
    currentVisitor.fetchFlags().whenComplete(() {
      // Ex: get flag for vip feature
      Flag flag = currentVisitor.getFlag("displayVipFeature", false);

      // Use this flag value to enable displaying the vip feature.
      bool shouldDisplayVipFeature = flag.value();
      // You should keep in mind by default on getting the flag value ,the SDK expose the visitor.
      // when the expose sucess ==>  the callback defined in the "withOnVisitorExposed" config w'll be triggered.
    });