How to check how a field is used and check data stored in it before deleting (Events)

video1.0<iframe src="https://www.loom.com/embed/f6498134cac241eaa8a959ed1ce59302" frameborder="0" width="1916" height="1437" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>14371916Loomhttps://www.loom.com14371916https://cdn.loom.com/sessions/thumbnails/f6498134cac241eaa8a959ed1ce59302-8eb0f7ff4f2594c8.gif182.427How to check how a field is used and check data stored in it before deleting (Events)