---
title: MTRPersistentStorageDelegate
framework: matter
role: symbol
role_heading: Protocol
path: matter/mtrpersistentstoragedelegate
---

# MTRPersistentStorageDelegate

## Declaration

```swift
protocol MTRPersistentStorageDelegate : MTRStorage
```

## Relationships

### Inherits From

- [MTRStorage](matter/mtrstorage.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)