# How to use the Multimedia Material?

<figure><img src="/files/DGNYZ9cXA9vODDJKOeoy" alt=""><figcaption></figcaption></figure>

### Transparency

It controls the map transparency. The larger the value, the more transparent it becomes.

1. Multimedia Material has two types of Transparency options available:

* **Global Matte:** Adjust the transparency to change the overall effect of the screen.
* **Luma Matte:** Transparency will be determined by the brightness value of the pixels. The darker the area, the more transparent it is, and a pure black area is complete transparency.

2. Affect Transparent ID&#x20;

* Affect Transparent ID controls whether the transparent video appears in Transparent Channel Map or not, facilitating post-processing.

<figure><img src="/files/kJk9nIf1N6jvgmwN9wFu" alt=""><figcaption><p>Affect Transparent ID</p></figcaption></figure>

### Intensity

Controls the emissive brightness of the video.

> Multimedia materials themselves also function as a form of lighting.&#x20;
>
> In addition to adding video assets to **display devices such as TVs and computers in a scene**, they can also **achieve effects like breathing lights and changing LED lights** through the use of video assets.

### Color

Overlay specified colours on the original emissive video material.

### Temperature

Overlay specified colour temperatures on the original emissive video material.

### Cast Shadow

Controls whether the light emitted by the video material affects the diffuse reflection of surrounding objects.

> Note: Currently supports video files under 200M.

## FAQS

1. How to Render Wave and Foam Animations?

Users can use the \[Multimedia Material] in the D5 material templates, import the wave video file, turn on the transparency option, then you can quickly create an animated wave effect.

{% embed url="<https://www.youtube.com/watch?v=3S105yqe3OE>" %}


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