# How to use the Multimedia Material?

![image](https://docs-static.d5render.com/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces/-MjbN1iGmN_HBnj_fyU9/uploads/fxEgbn9yI2I2wEYXPrWJ/%E9%80%8F%E6%98%8E1.gif)

### 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.

  1. Affect Transparent ID 

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

<figure class="doc-image doc-image--stack">
  <img src="https://docs-static.d5render.com/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces/-MjbN1iGmN_HBnj_fyU9/uploads/m66cUFLWboiuRt8uYgtc/image.png" alt="Affect Transparent ID" />
  <figcaption>Affect Transparent ID</figcaption>
</figure>

### Intensity

Controls the emissive brightness of the video.

> Multimedia materials themselves also function as a form of lighting. 
> 
> 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.

::: tip 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.
