---
title: KeyValueMask
framework: Kernel
role: symbol
platforms: [macOS 10.12.2+]
path: kernel/keyvaluemask
---

# KeyValueMask

## Declaration

```occ
struct KeyValueMask {
    ...
};
```

## Topics

### Instance Properties

- [key](kernel/keyvaluemask/2765600-key.md)
- [mask](kernel/keyvaluemask/2765604-mask.md)