---
title: defaultFormatterBehavior()
framework: foundation
role: symbol
role_heading: Type Method
path: foundation/numberformatter/defaultformatterbehavior()
---

# defaultFormatterBehavior()

Returns an NSNumberFormatterBehavior constant that indicates default formatter behavior for new instances of NSNumberFormatter.

## Declaration

```swift
class func defaultFormatterBehavior() -> NumberFormatter.Behavior
```

## Return Value

Return Value An NSNumberFormatterBehavior constant that indicates default formatter behavior for new instances of NSNumberFormatter.

## See Also

### Configuring Formatter Behavior and Style

- [formatterBehavior](foundation/numberformatter/formatterbehavior.md)
- [setDefaultFormatterBehavior(_:)](foundation/numberformatter/setdefaultformatterbehavior(_:).md)
- [numberStyle](foundation/numberformatter/numberstyle.md)
- [generatesDecimalNumbers](foundation/numberformatter/generatesdecimalnumbers.md)