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# CKSyncEngine.PendingDatabaseChange

Describes an unsent database modification.

```
enum PendingDatabaseChange
```

## Topics

### Database change types

[`enum CKSyncEnginePendingDatabaseChangeType`](/documentation/CloudKit/CKSyncEnginePendingDatabaseChangeType)

Describes the type of a pending database change.

### Identifying and comparing changes

[`static func == (CKSyncEngine.PendingDatabaseChange, CKSyncEngine.PendingDatabaseChange) -> Bool`](/documentation/CloudKit/CKSyncEngine-5sie5/PendingDatabaseChange/==(_:_:))

Returns a Boolean value that indicates whether two values are equal.

### Debugging the change

[`var description: String`](/documentation/CloudKit/CKSyncEngine-5sie5/PendingDatabaseChange/description)

A textual description of the change that’s suitable for logging.

### Enumeration Cases

[`case deleteZone(CKRecordZone.ID)`](/documentation/CloudKit/CKSyncEngine-5sie5/PendingDatabaseChange/deleteZone(_:))

A pending deletion of a zone from the server.

[`case saveZone(CKRecordZone)`](/documentation/CloudKit/CKSyncEngine-5sie5/PendingDatabaseChange/saveZone(_:))

A pending save of a zone to the server.

### Default Implementations

[CustomStringConvertible Implementations](/documentation/CloudKit/CKSyncEngine-5sie5/PendingDatabaseChange/CustomStringConvertible-Implementations)

[Equatable Implementations](/documentation/CloudKit/CKSyncEngine-5sie5/PendingDatabaseChange/Equatable-Implementations)

## Relationships

### Conforms To

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

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

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

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

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

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

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

---

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