Legacy Documentation: Version 5.3
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UnityEvent.AddListener

public void AddListener(Events.UnityAction call);

Parameters

call Callback function.

Description

Add a non-persistent listener to the UnityEvent.

Use this to add a runtime callback.

This function adds a "non persistent" delegate, which means it will not show up in the inspector, and will be forgotten when you exit play mode in the editor. These differ from "persistent" listeners which you can add during edit-time in the inspector, and which persist between edit and play mode.