---
title: "appendInterpolation(_:format:privacy:attributes:)"
framework: os
role: symbol
role_heading: Instance Method
path: "os/osloginterpolation/appendinterpolation(_:format:privacy:attributes:)-6le5w"
---

# appendInterpolation(_:format:privacy:attributes:)

## Declaration

```swift
mutating func appendInterpolation(_ number: @autoclosure @escaping () -> Int, format: OSLogIntExtendedFormat, privacy: OSLogPrivacy = .auto, attributes: String = "")
```