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# DocumentElementID

An identifier for an element in a document.

```
protocol DocumentElementID : Decodable, Encodable, Hashable
```

## Topics

### Implementing an element identifier

[`associatedtype Element : DocumentElement`](/documentation/Assignables/DocumentElementID/Element)

The document element type that this reference is for.

## Relationships

### Inherits From

[`Equatable`](/documentation/Swift/Equatable)

[`Decodable`](/documentation/Swift/Decodable)

[`Encodable`](/documentation/Swift/Encodable)

[`Hashable`](/documentation/Swift/Hashable)

### Conforming Types

[`ID-swift.struct`](/documentation/Assignables/AssignedWorkDocument/Page/ID-swift.struct)

[`BasicDocumentElementID`](/documentation/Assignables/BasicDocumentElementID)

[`ID-swift.struct`](/documentation/Assignables/AssignableDocument/Page/ID-swift.struct)

---

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