---
title: "Inputs"
url: "https://help.maxon.net/c4d/en-us/Content/html/COM_REDSHIFT3D_REDSHIFT4C4D_NODE_REFERENCE-NET_MAXON_NODE_BASE_GROUP_INPUTS.html"
section_path: "The Node Editor > Redshift Nodes > Redshift Utility Nodes > Reference > Inputs"
element_id: "COM_REDSHIFT3D_REDSHIFT4C4D_NODE_REFERENCE"
group_id: "NET_MAXON_NODE_BASE_GROUP_INPUTS"
description: "Choose which information you like to reference from the linked Material. You can choose between:"
---

## Inputs

### Source

Parameter ID: `COM_REDSHIFT3D_REDSHIFT4C4D_NODE_REFERENCE_SOURCE`

Choose which information you like to reference from the linked *Material*. You can choose between:

- **Surface**: Loads the *Surface* input connected to the linked material's *Output* node, this is the BSDF surface information.
- **Displacement**: Loads the *Displacement* input connected to the linked material's *Output* node.
- **Environment**: Loads the *Environment* input connected to the linked material's *Output* node.
- **Contour**: Loads the *Contour* input connected to the linked material's *Output* node.

### Material

Parameter ID: `COM_REDSHIFT3D_REDSHIFT4C4D_NODE_REFERENCE_OBJECT`

Link a material here to be used for referencing.