Then you must use Event Dispatchers.
[Unreal Engine 4 Tutorial (BP) - Communicating between widgets and blueprints with Event Dispatchers - YouTube](https://www.youtube.com/watch?v=z4Xv_WNxpIE
Then you must use Event Dispatchers.
[Unreal Engine 4 Tutorial (BP) - Communicating between widgets and blueprints with Event Dispatchers - YouTube](https://www.youtube.com/watch?v=z4Xv_WNxpIE