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# AttributedTextFormatting

A namespace for types related to attributed text formatting definitions.

```
enum AttributedTextFormatting
```

## Overview> SeeAlso: ``doc://com.apple.SwiftUI/documentation/SwiftUI/AttributedTextFormattingDefinition``,
> ``View/attributedTextFormattingDefinition(_:)-uc57``

## Topics

### Structures

[`struct AnyDefinition`](/documentation/SwiftUI/AttributedTextFormatting/AnyDefinition)

A type-erased text formatting definition.

[`struct AttributeContainerProxy`](/documentation/SwiftUI/AttributedTextFormatting/AttributeContainerProxy)

A proxy for a partially validated set of attributes.

[`struct DefinitionBuilder`](/documentation/SwiftUI/AttributedTextFormatting/DefinitionBuilder)

A result builder for attributed text formatting definition.

[`struct EmptyDefinition`](/documentation/SwiftUI/AttributedTextFormatting/EmptyDefinition)

A text formatting definition that places no constraints on the values of
attributes.

[`struct Transferable`](/documentation/SwiftUI/AttributedTextFormatting/Transferable)

A transferable representation of an attributed string interpreted in a
SwiftUI environment.

[`struct TupleDefinition`](/documentation/SwiftUI/AttributedTextFormatting/TupleDefinition)

A text formatting definition that enforces the constraints of a series
of text formatting definitions.

[`struct ValueConstraint`](/documentation/SwiftUI/AttributedTextFormatting/ValueConstraint)

A text formatting definition that constrains the value of a single
attribute to the members of a set.

---

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