---
title: setTranslucentOpacity
slug: viewer-3d/methods/setTranslucentOpacity
docTags: 
createdAt: 2024-03-01T14:17:48.685Z
---

Sets the opacity of translucent objects.

## Example

::codepen{url="https://codepen.io/Catenda/embed/qBzQEyd"}

## Usage

```javascript
const opacity = 0.05;

viewer3d.setTranslucentOpacity(opacity);
```

## Parameters

### opacity

The opacity to set.

| **Type** | **Required** |
| -------- | ------------ |
| Number   | Yes          |