---
title: "appendInterpolation(standaloneQuarter:)"
framework: foundation
role: symbol
role_heading: Instance Method
path: "foundation/date/formatstring/stringinterpolation/appendinterpolation(standalonequarter:)"
---

# appendInterpolation(standaloneQuarter:)

## Declaration

```swift
mutating func appendInterpolation(standaloneQuarter: Date.FormatStyle.Symbol.StandaloneQuarter)
```