Facebook Analytics will no longer be available after June 30, 2021. For more information visit the Business Help Center.
You can measure the user journey through multiple channels, including apps, websites, and Messenger bots by create an event source group. An event source group allows you to measure the activity if a user researches a product on a mobile app but ends up purchasing the product from your website using a desktop computer.
For more information about event source groups, see How do I measure activity across multiple channels in Facebook Analytics?