---
title: "readAttributePrimary6Y(completion:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclustercolorcontrol/readattributeprimary6y(completion:)"
---

# readAttributePrimary6Y(completion:)

## Declaration

```swift
func readAttributePrimary6Y(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)
```

```swift
func readAttributePrimary6Y() async throws -> NSNumber
```