---
title: format
framework: foundation
role: symbol
role_heading: Instance Property
path: foundation/numberformatter/format
---

# format

The receiver’s format.

## Declaration

```swift
var format: String { get set }
```

## Discussion

Discussion The format string uses the format patterns from Unicode Technical Standard #35.  For more information, see  Data Formatting Guide.

## See Also

### Configuring Numeric Formats

- [formattingContext](foundation/numberformatter/formattingcontext.md)
- [formatWidth](foundation/numberformatter/formatwidth.md)
- [negativeFormat](foundation/numberformatter/negativeformat.md)
- [positiveFormat](foundation/numberformatter/positiveformat.md)
- [multiplier](foundation/numberformatter/multiplier.md)