---
title: "encodeLabels(_:)"
framework: createmlcomponents
role: symbol
role_heading: Instance Method
path: "createmlcomponents/boostedtreeclassifier/encodelabels(_:)"
---

# encodeLabels(_:)

## Declaration

```swift
func encodeLabels(_ annotations: some Collection<Optional<Label>>) throws -> (labels: [String?], encoded: [Int])
```