> For the complete documentation index, see [llms.txt](https://docs.overdare.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.overdare.com/development/api-reference/enums/normalid.md).

# NormalId

## Overview

NormalId is an Enum that specifies direction or position in a 3D coordinate system based on the normal vector direction.

This is used in the EmissionDirection property of ParticleEmitter, the Face property of SurfaceGui, the direction settings of SpotLight, and more.

## Items

| Name   | Value | Description                                                |
| ------ | ----- | ---------------------------------------------------------- |
| Right  | 0     | The direction pointing rightward in the coordinate system. |
| Top    | 1     | The direction pointing upward in the coordinate system.    |
| Back   | 2     | The direction pointing backward in the coordinate system.  |
| Left   | 3     | The direction pointing leftward in the coordinate system.  |
| Bottom | 4     | The direction pointing downward in the coordinate system.  |
| Front  | 5     | The direction pointing forward in the coordinate system.   |

## See also

{% content-ref url="/pages/PzdUA1Oi8vUN198oIS2W" %}
[ParticleEmitter](/development/api-reference/classes/particleemitter.md)
{% endcontent-ref %}

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[SurfaceGui](/development/api-reference/classes/surfacegui.md)
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{% content-ref url="/pages/iQJJlR6Had45tgbI83fv" %}
[SpotLight](/development/api-reference/classes/spotlight.md)
{% endcontent-ref %}