---
title: keyPath
framework: xctest
role: symbol
role_heading: Instance Property
path: xctest/xctkvoexpectation/keypath
---

# keyPath

The key path the system observes for KVO changes.

## Declaration

```swift
var keyPath: String { get }
```

## See Also

### Expectation properties

- [observedObject](xctest/xctkvoexpectation/observedobject.md)
- [expectedValue](xctest/xctkvoexpectation/expectedvalue.md)
- [options](xctest/xctkvoexpectation/options.md)