---
title: identifiers
framework: arkit
role: symbol
role_heading: Instance Property
path: arkit/arpointcloud/identifiers-508tf
---

# identifiers

A list of unique identifiers corresponding to detected feature points.

## Declaration

```swift
@nonobjc var identifiers: [UInt64] { get }
```

## Discussion

Discussion Each identifier in this list corresponds to the point vector at the same index in the points array.

## See Also

### Identifying Feature Points

- [points](arkit/arpointcloud/points-4vkif.md)