# SensorBase

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

- Inherits from, nearest first: [Instance](https://rapi.sleaze.dev/classes/Instance.md), [Object](https://rapi.sleaze.dev/classes/Object.md)
- Subclasses: [AtmosphereSensor](https://rapi.sleaze.dev/classes/AtmosphereSensor.md), [BuoyancySensor](https://rapi.sleaze.dev/classes/BuoyancySensor.md), [ControllerSensor](https://rapi.sleaze.dev/classes/ControllerSensor.md), [FluidForceSensor](https://rapi.sleaze.dev/classes/FluidForceSensor.md), [PhysicsActivitySensor](https://rapi.sleaze.dev/classes/PhysicsActivitySensor.md)
- Tags: Not creatable
- Memory category: Instances
- HTML page: https://rapi.sleaze.dev/classes/SensorBase/
- Roblox documentation: https://create.roblox.com/docs/reference/engine/classes/SensorBase

An abstract class for various sensor instance types.

## Properties

### UpdateType

```luau
SensorBase.UpdateType: Enum.SensorUpdateType
```

- Tags: Simulation access

Determines how the sensor will update its output data.

## Methods

### Sense

```luau
SensorBase:Sense()
```

- Tags: Deprecated

**Deprecated:** This method should not be used in new work.

Recomputes the sensor's output properties immediately.

## Events

### OnSensorOutputChanged

```luau
SensorBase.OnSensorOutputChanged: RBXScriptSignal<()>
```

Fires when one of the sensor's output properties changes value.

## Inherited members

- From [Instance](https://rapi.sleaze.dev/classes/Instance.md): `Archivable`, `archivable`, `Attributes`, `AttributesReplicate`, `AttributesSerialize`, `HistoryId`, `Name`, `Parent`, `PredictionMode`, `PropertyStatusStudio`, `RobloxLocked`, `SerializedOverrides`, `SourceAssetId`, `Tags`, `UniqueId`, `numExpectedDirectChildren`, `DataCost`, `Capabilities`, `DefinesCapabilities`, `IsInSandbox`, `Sandboxed`, `AddTag`, `ClearAllChildren`, `Clone`, `Destroy`, `FindFirstAncestor`, `FindFirstAncestorOfClass`, `FindFirstAncestorWhichIsA`, `FindFirstChild`, `FindFirstChildOfClass`, `FindFirstChildWhichIsA`, `FindFirstDescendant`, `GetActor`, `GetAttribute`, `GetAttributeChangedSignal`, `GetAttributes`, `GetChildren`, `GetDebugId`, `GetDescendants`, `GetFullName`, `GetStyled`, `GetStyledPropertyChangedSignal`, `GetTags`, `HasTag`, `IsAncestorOf`, `IsDescendantOf`, `IsPropertyModified`, `QueryDescendants`, `RemoveTag`, `ResetPropertyToDefault`, `SetAttribute`, `WaitForChild`, `Remove`, `children`, `clone`, `destroy`, `findFirstChild`, `getChildren`, `isDescendantOf`, `remove`, `AncestryChanged`, `AttributeChanged`, `ChildAdded`, `ChildRemoved`, `DescendantAdded`, `DescendantRemoving`, `Destroying`, `StyledPropertiesChanged`, `childAdded`
- From [Object](https://rapi.sleaze.dev/classes/Object.md): `ClassName`, `className`, `GetPropertyChangedSignal`, `IsA`, `isA`, `Changed`