---
title: optionalStringWasPresent
framework: matter
role: symbol
role_heading: Instance Property
path: matter/mtrunittestingclustertestcomplexnullableoptionalresponseparams/optionalstringwaspresent
---

# optionalStringWasPresent

## Declaration

```swift
@NSCopying var optionalStringWasPresent: NSNumber { get set }
```