# markAllMessagesDeleted

Marks all inbox messages as deleted.

## Syntax

```dart
Future<void> markAllMessagesDeleted()
```

## Returns

- `Future<void>` - Completes when all messages have been marked as deleted.

## Example

```dart
try {
  await SfmcSdk.markAllMessagesDeleted();
  print('All messages marked as deleted');
} catch (e) {
  print('Failed to mark all messages as deleted: $e');
}
```

## Related Methods

- [deleteMessage()](/docs/marketing/mobile-unified-sdk/references/engagement-mobile-sdk-reference/flutter_deleteMessage.md)
- [markAllMessagesRead()](/docs/marketing/mobile-unified-sdk/references/engagement-mobile-sdk-reference/flutter_markAllMessagesRead.md)