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# Schema.Relationship

An object that describes the configuration and behavior of a relationship between two model classes.

```
final class Relationship
```

## Topics

### Creating a relationship

[`init(_:deleteRule:minimumModelCount:maximumModelCount:originalName:inverse:hashModifier:)`](/documentation/SwiftData/Schema/Relationship/init(_:deleteRule:minimumModelCount:maximumModelCount:originalName:inverse:hashModifier:))

### Managing the configuration

[`keypath`](/documentation/SwiftData/Schema/Relationship/keypath)

[`destination`](/documentation/SwiftData/Schema/Relationship/destination)

[`inverseName`](/documentation/SwiftData/Schema/Relationship/inverseName)

[`inverseKeyPath`](/documentation/SwiftData/Schema/Relationship/inverseKeyPath)

[`deleteRule`](/documentation/SwiftData/Schema/Relationship/deleteRule-swift.property)

[`DeleteRule`](/documentation/SwiftData/Schema/Relationship/DeleteRule-swift.enum)

Describes the rule to apply when deleting a model containing references to other models.

[`isToOneRelationship`](/documentation/SwiftData/Schema/Relationship/isToOneRelationship)

### Specifying value information

### Managing identity

### Determining behavior

[`options`](/documentation/SwiftData/Schema/Relationship/options)

### Versioning

[`hashModifier`](/documentation/SwiftData/Schema/Relationship/hashModifier)

### Encoding and decoding

### Hashing

### Comparing attributes

### Debugging

## Relationships

### Conforms To

[`Encodable`](/documentation/Swift/Encodable)

[`Sendable`](/documentation/Swift/Sendable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Equatable`](/documentation/Swift/Equatable)

[`Decodable`](/documentation/Swift/Decodable)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`Hashable`](/documentation/Swift/Hashable)

[`SchemaProperty`](/documentation/SwiftData/SchemaProperty)

---

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