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# MLBoundingBoxAnchor

A location within a bounding box that an annotation’s coordinates use as
their reference point.

```
enum MLBoundingBoxAnchor
```

## Topics

### Designating anchors

[`case center`](/documentation/CreateML/MLBoundingBoxAnchor/center)

An anchor at the bounding box’s center point.

[`case topLeft`](/documentation/CreateML/MLBoundingBoxAnchor/topLeft)

An anchor at the bounding box’s top-left corner.

[`case bottomLeft`](/documentation/CreateML/MLBoundingBoxAnchor/bottomLeft)

An anchor at the bounding box’s bottom-left corner.

## Relationships

### Conforms To

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

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

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

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

---

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