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# NavigationComponent

A component that defines which areas of a navigation mesh an entity can move through.

```
struct NavigationComponent
```

## Overview

Add a navigation component to an entity to make it a navigation agent. Its
[`layer`](/documentation/RealityKit/NavigationComponent/layer) selects the navigation mesh the entity travels on,
and its [`filter`](/documentation/RealityKit/NavigationComponent/filter-swift.property) restricts which marked
areas the entity can cross when a [`NavigationController`](/documentation/RealityKit/NavigationController) finds a path.

## Topics

### Creating a component

[`init(layer:filter:)`](/documentation/RealityKit/NavigationComponent/init(layer:filter:))

### Configuring navigation

[`layer`](/documentation/RealityKit/NavigationComponent/layer)

The layer to use when searching for a NavigationMeshResource in a Scene. If not set, the first available NavigationMeshResource will be used.

[`filter`](/documentation/RealityKit/NavigationComponent/filter-swift.property)

The filter to use when pathfinding.

[`NavigationComponent.Filter`](/documentation/RealityKit/NavigationComponent/Filter-swift.struct)

A struct that stores information about flags to ignore and include, and area costs for a pathfind.


---

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