# Material Functions

**URL:** <https://forums.unrealengine.com/t/material-functions/7577>\
**Category:** Rendering\
**Tags:** unreal-engine\
**Created:** [July 14, 2014, 7:34pm UTC](https://forums.unrealengine.com/t/material-functions/7577 "2014-07-14T19:34:57Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![Skynet](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Skynet](https://forums.unrealengine.com/u/Skynet)\
**Post date:** [July 14, 2014, 10:20pm UTC](https://forums.unrealengine.com/t/material-functions/7577/3 "2014-07-14T22:20:19Z")

</div>

Maybe a “Function Input” is what you are looking for.

Here is an example:

> **[A new, community-hosted Unreal Engine Wiki](https://forums.unrealengine.com/t/a-new-community-hosted-unreal-engine-wiki/141494)**
>
> After over a year in maintenance mode, the official Unreal Engine Wiki is now permanently offline. These resources now live on a new community-run Unreal Engine Community Wiki — ue4community.wiki! You will be able to find content from the official...

Especially these pictures should explain the use of a Function Input:  
[![](https://d3ar1piqh1oeli.cloudfront.net/4/4e/ChromGraph_MatLayTut.png/940px-ChromGraph_MatLayTut.png) ](https://d3ar1piqh1oeli.cloudfront.net/4/4e/ChromGraph_MatLayTut.png/940px-ChromGraph_MatLayTut.png)  
[![](https://d3ar1piqh1oeli.cloudfront.net/6/61/SnowCoveredChromeNetwork_MatLayTut.png/940px-SnowCoveredChromeNetwork_MatLayTut.png) ](https://d3ar1piqh1oeli.cloudfront.net/6/61/SnowCoveredChromeNetwork_MatLayTut.png/940px-SnowCoveredChromeNetwork_MatLayTut.png)

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