# Reference

## Overview

The Reference node can be used to reference a previously cached Groom off disk - this becomes useful for storing libraries of base results to be used for instancing or other larger scale procedural systems. An animated input can also be used if %04d is supplied for the frame.

## Inputs

Input | Description
--- | ---
None |

## Reference

Parameter | Description
--- | ---
Reference File | The input file name, standard C string formatting can be used to resolve the frame number, ie. %04d for a four zero padded frame number.
Frame | The frame number to be used if resolving a frame variable in the reference file name.

## Example