is there a way to return a value from a UnityEvent

Hi us there a way to return a value from a unity even, how would I return something from the below?
Thanks

Code (csharp):

1.  
2. [System.Serializable]
3. public class MyIntEvent : UnityEvent<win_element, BonusGames_Data>
4. {
5.  
6. }
7.