---
title: isExpensive
framework: networkextension
role: symbol
role_heading: Instance Property
path: networkextension/nwpath/isexpensive
---

# isExpensive

A Boolean that indicates whether or not the path uses an expensive interface.

## Declaration

```swift
var isExpensive: Bool { get }
```

## Discussion

Discussion Returns YES is the path uses an interface that is considered expensive, such as when using a cellular data plan.

## See Also

### Getting network path properties

- [status](networkextension/nwpath/status.md)
- [NWPathStatus](networkextension/nwpathstatus.md)
- [isConstrained](networkextension/nwpath/isconstrained.md)