---
title: material
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/physicsbodycomponent/material
---

# material

The physics body’s material properties, like friction.

## Declaration

```swift
var material: PhysicsMaterialResource
```

## Discussion

Discussion By default, the body’s material resource is set to default, which provides a modest amount of friction and restitution (bounciness).