Get the method registered in the delegate

Knowledge point

Delegate Of GetInvocationList Method returns an array , This array stores the added method

example

using UnityEngine;
using UnityEngine.Events;
public class TestEvent : MonoBehaviour
{
    
    UnityAction action;// No parameter no return value   entrust 
    event UnityAction eventAction;// event 
    void Start()
    {
    
        action += Print;
        action += Print;
        // Print call list 
        foreach (var item in action.GetInvocationList())
        {
    
            Debug.Log(item.Method);// Print method name 
        }

        eventAction += Print;
        eventAction += Print;
		
		// Print call list 
        foreach (var item in eventAction.GetInvocationList())
        {
    
            item.Method.Invoke(this, null);// Execution method 
        }
    }
    void Print()
    {
    
        Debug.Log("123");
    }
}