//Get the Mixpanel Distinct Id or any User Id of choice
let distinct_id = "";
mixpanel.init('YOUR PROJECT TOKEN', {
    loaded: function(mixpanel) {
        distinct_id = mixpanel.get_distinct_id();
    }
});
//Set the OneSignal External User Id to Mixpanel Distinct Id
OneSignal.push(function() {
  OneSignal.setExternalUserId(distinct_id);
  //Set Mixpanel OneSignal User Id property to Distinct Id or any User Id
  mixpanel.people.set({
    $onesignal_user_id: distinct_id
  });
});

//Set email to OneSignal and External User Id as Mixpanel Distinct Id
OneSignal.push(function() {
  OneSignal.setEmail("[email protected]")          
    .then(function() {
      OneSignal.setExternalUserId(distinct_id);
      //Set Mixpanel OneSignal User Id property to Distinct Id or any User Id
      mixpanel.people.set({
        $onesignal_user_id: distinct_id
      }); 
   }); 
});

//Set phone number to OneSignal and External User Id as Mixpanel Distinct Id
OneSignal.push(function() {
  OneSignal.setSMSNumber("+11234567890")
    .then(function() {
      OneSignal.setExternalUserId(distinct_id);
      //Set Mixpanel OneSignal User Id property to Distinct Id or any User Id
      mixpanel.people.set({
        $onesignal_user_id: distinct_id
      }); 
   });
});

//Get the Mixpanel Distinct Id or any User Id of choice
MixpanelAPI mixpanel = MixpanelAPI.getInstance(context, "MIXPANEL_PROJECT_TOKEN");
String distinctId = mixpanel.getDistinctId();
mixpanel.getPeople().set("$onesignal_user_id", distinctId);

//Set email to OneSignal
OneSignal.setEmail("[email protected]");

//Set phone number to OneSignal
OneSignal.setSMSNumber("+11234567890");

OneSignal.setExternalUserId(distinctId, new OneSignal.OSExternalUserIdUpdateCompletionHandler() {
    @Override
    public void onSuccess(JSONObject results) {
        try {
            if (results.has("push") && results.getJSONObject("push").has("success")) {
                boolean isPushSuccess = results.getJSONObject("push").getBoolean("success");
                OneSignal.onesignalLog(OneSignal.LOG_LEVEL.VERBOSE, "Set external user id for push status: " + isPushSuccess);
            }
        } catch (JSONException e) {
            e.printStackTrace();
        }

        try {
            if (results.has("email") && results.getJSONObject("email").has("success")) {
                boolean isEmailSuccess = results.getJSONObject("email").getBoolean("success");
                OneSignal.onesignalLog(OneSignal.LOG_LEVEL.VERBOSE, "Set external user id for email status: " + isEmailSuccess);
            }
        } catch (JSONException e) {
            e.printStackTrace();
        }
        try {
            if (results.has("sms") && results.getJSONObject("sms").has("success")) {
                boolean isSmsSuccess = results.getJSONObject("sms").getBoolean("success");
                OneSignal.onesignalLog(OneSignal.LOG_LEVEL.VERBOSE, "Set external user id for sms status: " + isSmsSuccess);
            }
        } catch (JSONException e) {
            e.printStackTrace();
        }
    }

    @Override
    public void onFailure(OneSignal.ExternalIdError error) {
        // The results will contain channel failure statuses
        // Use this to detect if external_user_id was not set and retry when a better network connection is made
        OneSignal.onesignalLog(OneSignal.LOG_LEVEL.VERBOSE, "Set external user id done with error: " + error.toString());
    }
});

//Get the Mixpanel Distinct Id or any User Id of choice
Mixpanel.initialize(token: "MIXPANEL_PROJECT_TOKEN")
let mixpanel = Mixpanel.mainInstance()
let distinctId = mixpanel.distinctId
mixpanel.people.set(properties: ["$onesignal_user_id":distinctId])

//Set email to OneSignal
OneSignal.setEmail("[email protected]")

//Set phone number to OneSignal
OneSignal.setSMSNumber("+11234567890")

// Setting External User Id with Callback Available in SDK Version 3.x.x
OneSignal.setExternalUserId(distinctId, withSuccess: { results in
    // The results will contain push and email success statuses
    print("External user id update complete with results: ", results!.description)
    // Push can be expected in almost every situation with a success status, but
    // as a pre-caution its good to verify it exists
    if let pushResults = results!["push"] {
        print("Set external user id push status: ", pushResults)
    }
    if let emailResults = results!["email"] {
        print("Set external user id email status: ", emailResults)
    }
    if let smsResults = results!["sms"] {
        print("Set external user id sms status: ", smsResults)
    }
}, withFailure: {error in
    print("Set external user id done with error: " + error.debugDescription)
})

//Get the Mixpanel Distinct Id or any User Id of choice
- (void)identify:(NSString *)distinctId
[mixpanel.people set:@{@"$onesignal_user_id": distinctId}];

//Set email to OneSignal
[OneSignal setEmail:@"[email protected]"];

//Set phone number to OneSignal
[OneSignal setSMSNumber:@"+11234567890"];
  
// Setting External User Id with Callback Available in SDK Version 3.0.0+
[OneSignal setExternalUserId:distinctId, withSuccess:^(NSDictionary *results) {
  // The results will contain push and email success statuses
  NSLog(@"External user id update complete with results: %@", results.description);
  // Push can be expected in almost every situation with a success status, but
  // as a pre-caution its good to verify it exists
  if (results["push"] && results["push"]["success"])
    NSLog(@"Set external user id push status: %@", results["push"]["success"]);
  // Verify the email is set or check that the results have an email success status
  if (results["email"] && results["email"]["success"])
    NSLog(@"Set external user id email status: %@", results["email"]["success"]);
  // Verify the number is set or check that the results have an sms success status
  if (results["sms"] && results["sms"]["success"])
    NSLog(@"Set external user id sms status: %@", results["sms"]["success"]);
}];

//Get the Mixpanel Distinct Id or any User Id of choice
const distinctId = await mixpanel.getDistinctId();
//Set Mixpanel OneSignal User Id property to Distinct Id or any User Id
mixpanel.getPeople().set("$onesignal_user_id", distinctId);

//Set email to OneSignal
OneSignal.setEmail("[email protected]");

//Set phone number to OneSignal
OneSignal.setSMSNumber("+11234567890");

OneSignal.setExternalUserId(distinctId, (results) => {
  // The results will contain push and email success statuses
  console.log('Results of setting external user id');
  console.log(results);
  
  // Push can be expected in almost every situation with a success status, but
  // as a pre-caution its good to verify it exists
  if (results.push && results.push.success) {
    console.log('Results of setting external user id push status:');
    console.log(results.push.success);
  }
  
  // Verify the email is set or check that the results have an email success status
  if (results.email && results.email.success) {
    console.log('Results of setting external user id email status:');
    console.log(results.email.success);
  }
  
    // Verify the sms phone number is set or check that the results have an sms success status
  if (results.sms && results.sms.success) {
    console.log('Results of setting external user id sms status:');
    console.log(results.sms.success);
  }
});

//Get the Mixpanel Distinct Id or any User Id of choice
let distinctId = await mixpanel.getDistinctId();
//Set Mixpanel OneSignal User Id property to Distinct Id or any User Id
mixpanel.getPeople().set("$onesignal_user_id", distinctId);

//Set email to OneSignal
OneSignal.setEmail("[email protected]");

//Set phone number to OneSignal
OneSignal.setSMSNumber("+11234567890");

// Setting External User Id with Callback Available in SDK Version 3.9.3+
OneSignal.shared.setExternalUserId(distinctId).then((results) {
  log(results.toString());
}).catchError((error) {
  log(error.toString());
});

//Get the Mixpanel Distinct Id or any User Id of choice
string distinctId = Mixpanel.DistinctId;
Mixpanel.People.Set("$onesignal_user_id", distinctId);


//Set email to OneSignal
OneSignal.SetEmail("[email protected]");

//Set phone number to OneSignal
OneSignal.SetSMSNumber("+11234567890");

// Setting External User Id with Callback Available in SDK Version 2.13.2+
OneSignal.Current.SetExternalUserId(distinctId, OneSignalSetExternalUserId);

private static void OneSignalSetExternalUserId(Dictionary<string, object> results)
{
  // The results will contain push and email success statuses
  Debug.WriteLine("External user id updated with results: " + Json.Serialize(results));
  // Push can be expected in almost every situation with a success status, but
  // as a pre-caution its good to verify it exists
  if (results.ContainsKey("push"))
  {
    Dictionary<string, object> pushStatusDict = results["push"] as Dictionary<string, object>;
    if (pushStatusDict.ContainsKey("success"))
    {
      Debug.WriteLine("External user id updated for push with results: " + pushStatusDict["success"] as string);
    }
  }
  // Verify the email is set or check that the results have an email success status
  if (results.ContainsKey("email"))
  {
    Dictionary<string, object> emailStatusDict = results["email"] as Dictionary<string, object>;
    if (emailStatusDict.ContainsKey("success"))
    {
      Debug.WriteLine("External user id updated for email with results: " + emailStatusDict["success"] as string);
    }
  }
  // Verify the number is set or check that the results have an sms success status
  if (results.ContainsKey("sms"))
  {
    Dictionary<string, object> smsStatusDict = results["sms"] as Dictionary<string, object>;
    if (smsStatusDict.ContainsKey("success"))
    {
      Debug.WriteLine("External user id updated for sms with results: " + smsStatusDict["success"] as string);
    }
  }
}

//Set the OneSignal Push Player ID to Mixpanel record
OneSignal.push(function() {
  // Check if the current site visitor is subscribed (no player id is created until the user subscribes to push
  OneSignal.isPushNotificationsEnabled(function(isEnabled) {
    if (isEnabled) {
      console.log("Push notifications are enabled!");
      OneSignal.getUserId(function (userId) {
        console.log("OneSignal User ID:", userId);
        mixpanel.people.set({
          $onesignal_user_id: userId
        });
      });
    } else {
      console.log("Push notifications are not enabled yet.");   
    }
  });
});

//Set the OneSignal Push Player ID to Mixpanel record
OSDeviceState device = OneSignal.getDeviceState();
String userId = device.getUserId();//String: the OS Player Id or null if device has not registered with OS Servers
mixpanel.getPeople().set("$onesignal_user_id", userId);

//Set the OneSignal Push Player ID to Mixpanel record
let deviceState = OneSignal.getDeviceState()
if let userId = deviceState?.userId {
    mixpanel.people.set(properties: ["$onesignal_user_id":userId])
}