[UnityEvent] Remove a lister from a unityEvent in the inspector

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Hy everyone,

I have a question about unityEvent. I don't understand how to remove a listener once it has been added from the inspector. I keep a trace of the gameObject function in a UnityAction but when I remove it, nothing happens in the inspector. Is this normal?

Good Day,

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Answer by Hellium · Oct 17, 2021 at 09:14 AM

As far as I know, listeners added from the inspector (called persistent listeners) can't be removed by code except editor code, making builds impossible.

If you want to remove callbacks at runtime, you need to add them by code.

However, you can disable persistent listeners by calling yourEvent.SetPersistentListenerState(persistentListenerIndex, UnityEventCallState.Off). Then, enable the listener again by calling yourEvent.SetPersistentListenerState(persistentListenerIndex, UnityEventCallState.EditorAndRuntime)

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patatra · Oct 17, 2021 at 09:52 AM 0

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Thank you, I understand better.

[UnityEvent] Remove a lister from a unityEvent in the inspector

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