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# DocumentObservation.Container.List

A structure that represents a list of items within a document.

```
struct List
```

## Topics

### Accessing a list

[`struct Item`](/documentation/Vision/DocumentObservation/Container/List/Item)

A single element of a list.

### Inspecting a list

[`var boundingRegion: NormalizedRegion`](/documentation/Vision/DocumentObservation/Container/List/boundingRegion)

A polygon that defines the boundary of the list.

[`var items: [DocumentObservation.Container.List.Item]`](/documentation/Vision/DocumentObservation/Container/List/items)

The elements of the list.

[`enum Marker`](/documentation/Vision/DocumentObservation/Container/List/Marker)

The symbol or character at the beginning of each list item.

## Relationships

### Conforms To

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

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

[`BoundingRegionProviding`](/documentation/Vision/BoundingRegionProviding)

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

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

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

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

---

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