---
title: CKSyncEngine.Configuration
framework: cloudkit
role: symbol
role_heading: Structure
path: cloudkit/cksyncengine-5sie5/configuration
---

# CKSyncEngine.Configuration

A type that configures the attributes and behavior of a sync engine.

## Declaration

```swift
struct Configuration
```

## Topics

### Creating configurations

- [init(database:stateSerialization:delegate:)](cloudkit/cksyncengine-5sie5/configuration/init(database:stateserialization:delegate:).md)

### Handling record changes

- [delegate](cloudkit/cksyncengine-5sie5/configuration/delegate.md)
- [CKSyncEngineDelegate](cloudkit/cksyncenginedelegate-1q7g8.md)

### Managing attributes

- [automaticallySync](cloudkit/cksyncengine-5sie5/configuration/automaticallysync.md)
- [database](cloudkit/cksyncengine-5sie5/configuration/database.md)
- [subscriptionID](cloudkit/cksyncengine-5sie5/configuration/subscriptionid.md)
- [stateSerialization](cloudkit/cksyncengine-5sie5/configuration/stateserialization.md)

### Debugging the configuration

- [description](cloudkit/cksyncengine-5sie5/configuration/description.md)

### Default Implementations

- [CustomStringConvertible Implementations](cloudkit/cksyncengine-5sie5/configuration/customstringconvertible-implementations.md)

## Relationships

### Conforms To

- [Copyable](swift/copyable.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Escapable](swift/escapable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Creating a sync engine

- [init(_:)](cloudkit/cksyncengine-5sie5/init(_:).md)