# Methods

In addition to revealing [properties](/black-box/main-features/reveal.md) and [entire components](/black-box/main-features/reveal/entire-components.md), you can visualise buttons on a BlackBox to invoke public, parameter-less methods of any component:

<figure><img src="/files/RdrgKIhv7kMWeGWOYmja" alt="" width="563"><figcaption><p>This Prefab exposes three methods as buttons</p></figcaption></figure>

This can be useful to invoke editor-time functionality directly from a Prefab's root, like baking a Navmesh, randomising the position of children objects programmatically, etc.

## Revealing methods on the BlackBox

Like for properties, exposing methods can be done from the `BlackBox` component by entering Prefab Mode, and clicking on the **Show available properties** button:

<figure><img src="/files/cnO93OxpHa7rDEQwPPhi" alt="" width="506"><figcaption></figcaption></figure>

This exposes the list of children and all of their components. Open a component to visualise another foldout called **Public methods**. Open this one to display all available public methods, which are preceded by a tiny **\[M]**:

<figure><img src="/files/6RlJAbVzUYVibLTxAIJL" alt="" width="563"><figcaption><p>Methods available are denoted by an M icon</p></figcaption></figure>

{% hint style="warning" %}
Note that only methods with no parameters will show up in the list. To invoke a method with parameters, consider [revealing UnityEvents](/black-box/main-features/reveal/properties/unityevents-as-buttons.md) as a button instead.
{% endhint %}

Press on the **\[+]** button to add the method to the reveal list:

<figure><img src="/files/RzXkZdtlY7v8yvqB1K7J" alt="" width="563"><figcaption><p>Two methods have been revealed</p></figcaption></figure>

Here you can customise the button's label, just like it's done for properties, and remove them again with the **\[-]** button.

Now, by exiting Prefab Mode, you will be able to see the buttons on the Prefab, and click them both in Edit and Play mode.


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