---
title: "Scalar User Data"
url: "https://help.maxon.net/r3d/cinema/en-us/Content/html/Scalar%2BUser%2BData.html"
section_path: "Shaders > Attributes Shaders > Scalar User Data"
description: "Attribute scalar data can be stored per object or per point on a point cloud. This shader node gives you access to that attribute data, facilitating …"
---

# Scalar User Data

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# Scalar User Data

## Introduction

Attribute scalar data can be stored per object or per point on a point cloud. This shader node gives you access to that attribute data, facilitating object or point shading variation without requiring different materials.

> **Important:** User Data does not work with volume shading.

## Parameters

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| ![Image: C4D_Scalar_User_Data.png](https://help.maxon.net/r3d/cinema/en-us/Content/Resources/Images/C4D_Scalar_User_Data.png) |

### Attribute Name

The name of the user attribute assigned to the object or point cloud.

### Presets Button

This button lets you quickly access read data from your scene by filling the Attribute Name field with one of the following common sources:

- MoGraph
  - Object ID Normalized
  - Index Ratio
  - Weight
  - Clone Offset
  - Time Offset
  - Falloff Weight
- Objects
  - Geometry ID Normalized
- Particles
  - Age
  - Life
  - Age Normalized
  - Mass (TP/XP)
  - Spin Speed (TP)
  - Size (TP/XP)
  - Density (XP)
  - Distance Travelled (XP)
  - Temperature (XP)
  - Fuel (XP)
  - Fire (XP)
  - Smoke (XP)
  - Expansion (XP)
  - Transparency (XP)

### Default

This is the value that will be output by the shader if the attribute is not found on the object or point cloud.