class in UnityEngine.Events
/
Inherits from:Events.UnityEventBase
/
Implemented in:UnityEngine.CoreModule
A zero argument persistent callback that can be saved with the Scene.
using UnityEngine; using UnityEngine.Events;
public class ExampleClass : MonoBehaviour { UnityEvent m_MyEvent;
void Start() { if (m_MyEvent == null) m_MyEvent = new UnityEvent();
m_MyEvent.AddListener(DoSomething); }
void Update() { if (Input.anyKeyDown && m_MyEvent != null) { m_MyEvent.Invoke(); } }
void DoSomething() { Debug.Log("Callback called"); } }
Note: UnityEvent can also be awaited in any async method.
| UnityEvent | Constructor. |
| AddListener | Adds a non-persistent listener to the UnityEvent. |
| Invoke | Invoke all registered callbacks (runtime and persistent). |
| RemoveListener | Remove a non persistent listener from the UnityEvent. If you have added the same listener multiple times, this method will remove all occurrences of it. |
| GetPersistentEventCount | Get the number of registered persistent listeners. |
| GetPersistentListenerState | Returns the execution state of a persistent listener. |
| GetPersistentMethodName | Get the target method name of the listener at index index. |
| GetPersistentTarget | Get the target component of the listener at index index. |
| RemoveAllListeners | Remove all non-persistent (ie created from script) listeners from the event. |
| SetPersistentListenerState | Modify the execution state of a persistent listener. |
| GetValidMethodInfo | Given an object, function name, and a list of argument types; find the method that matches. |