> ## Documentation Index
> Fetch the complete documentation index at: https://docs.nodi3d.com/llms.txt
> Use this file to discover all available pages before exploring further.

# GraphMapper

> Graph Mapper node: Map input value to output value using a graph. Params › Input node in Nodi, with its inputs, outputs and properties.

Map input value to output value using a graph.

**Category**: [Params](https://docs.nodi3d.com/nodi-editor/nodes.md#params) › Input\
**Shown in the node menu as**: Graph Mapper

## Inputs

| Input | Type |
| - | - |
| input value | `Number` |

## Outputs

| Output | Type |
| - | - |
| output value | `Number` |

## Properties

Properties are set in the Inspector and are used when the matching input is not connected.

| Property | Type |
| - | - |
| control points | `Points2d` |
| mapping | `Category` |

## Related nodes

Other nodes in Params › Input:

* [MDSlider](https://docs.nodi3d.com/node/md-slider.md): Map a 2D point (0.0 \~ 1.0) to a 3D point with x, y domain.
* [NumberSlider](https://docs.nodi3d.com/node/number-slider.md): Output a number within a domain.
* [Panel](https://docs.nodi3d.com/node/panel.md): Output a string or a list of strings if multi line is true.


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