---
title: "dateSeparator(_:)"
framework: foundation
role: symbol
role_heading: Instance Method
path: "foundation/datecomponents/iso8601formatstyle/dateseparator(_:)"
---

# dateSeparator(_:)

## Declaration

```swift
func dateSeparator(_ separator: Date.ISO8601FormatStyle.DateSeparator) -> DateComponents.ISO8601FormatStyle
```