# Enum.SensorUpdateType

Roblox Engine API enum from Roblox Studio 0.744.0.7441077 (version-7aaa6838d36c4448).

- HTML page: https://rapi.sleaze.dev/enums/SensorUpdateType/
- Roblox documentation: https://create.roblox.com/docs/reference/engine/enums/SensorUpdateType

Controls when a sensor recalculates its output properties.

## Items

| Name | Value | Description |
| --- | --- | --- |
| `OnRead` | 0 | The sensor lazily recalculates its output the next time an output property is read and the output is marked dirty. |
| `Manual` | 1 | The sensor never automatically recalculates its output; scripts are responsible for driving output updates. |

## Used by

Each entry lists the class, then the role and names of the members that use this type.

- [SensorBase](https://rapi.sleaze.dev/classes/SensorBase.md): property `UpdateType`