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I am using Unity 2018.4.11f1 LTS. I have a script with a public List<GameObject> field.

In the property inspector, Unity provides a UI to this field where you specify the size of the list and then assign elements:

public List<GameObject> receivers;

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My question is: Is there a way (perhaps a different field type) to have Unity provide an editor UI that consists of a +/- button where you can add and remove elements, rather than a list-size-based UI?

Something more along the lines of e.g. what it gives you for UnityEvents:

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  • \$\begingroup\$ Before anybody asks: I don't have any particular functional reason for wanting this UI, I just like it better. \$\endgroup\$ – Jason C Oct 27 '19 at 22:55
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you can use NaughtyAttributes

NaughtyAttributes is an extension for the Unity Inspector.

It expands the range of attributes that Unity provides so that you can create powerful inspectors without the need of custom editors or property drawers. It also provides attributes that can be applied to non-serialized fields or functions.

It is implemented by replacing the default Unity Inspector. This means that if you have any custom editors, NaughtyAttributes will not work with them. All of your custom editors and property drawers are not affected in any way.

ReorderableList

Provides array type fields with an interface for easy reordering of elements.

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  • \$\begingroup\$ It's perfect, thank you. And so naughty. My app feels devilishly NSFW now. \$\endgroup\$ – Jason C Oct 28 '19 at 13:53

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