---
title: region
framework: spritekit
role: symbol
role_heading: Instance Property
path: spritekit/skfieldnode/region
---

# region

The area (relative to the node’s origin) that the field affects.

## Declaration

```swift
var region: SKRegion? { get set }
```

## Discussion

Discussion A field node applies its effect to all physics bodies that are partially or completely inside its region. The default value is a region of infinite size.

## See Also

### Determining Which Physics Bodies Are Affected by the Field

- [isEnabled](spritekit/skfieldnode/isenabled.md)
- [isExclusive](spritekit/skfieldnode/isexclusive.md)
- [minimumRadius](spritekit/skfieldnode/minimumradius.md)
- [categoryBitMask](spritekit/skfieldnode/categorybitmask.md)