---
title: "format(_:)"
framework: foundation
role: symbol
role_heading: Instance Method
path: "foundation/integerformatstyle/attributed-swift.struct/format(_:)"
---

# format(_:)

Formats an integer, using this style.

## Declaration

```swift
func format(_ value: Value) -> AttributedString
```

## Parameters

- `value`: The integer to format.

## Return Value

Return Value An attributed string representation of value, formatted according to the style’s configuration. The returned string contains attributes from the AttributeScopes.FoundationAttributes.NumberFormatAttributes attribute scope to indicate runs formatted by this format style.