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# ReferenceConvertible

A decoration applied to types that are backed by a Foundation reference type.

```
protocol ReferenceConvertible : CustomDebugStringConvertible, CustomStringConvertible, Hashable, _ObjectiveCBridgeable
```

## Overview

All `ReferenceConvertible` types are hashable, equatable, and provide description functions.

> Warning:
> Don’t create new conformances to this protocol. `ReferenceConvertible` only supports types provided by the SDK.

## Topics

### Supporting types

[`ReferenceType`](/documentation/Foundation/ReferenceConvertible/ReferenceType)


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