This scenario can only be achieved using global mbox.Learn more about global mbox here - https://experienceleague.adobe.com/en/docs/target-dev/developer/client-side/global-mbox/global-mbox-overview 

Hello Everyone, You have been inspiring and insightful for many conversation so far, Would like you to join here for one of the interesting scenario with #TargetI will give you the project background, We are building a headless CMS and it should be personalized experience, So we are using AEM to bui...