---
title: modelContainer
framework: swiftdata
role: symbol
role_heading: Instance Property
path: swiftdata/historyobserver/modelcontainer
---

# modelContainer

The model container whose data stores this observer monitors for changes.

## Declaration

```swift
final let modelContainer: ModelContainer
```

## See Also

### Accessing observer properties

- [eventCounter](swiftdata/historyobserver/eventcounter.md)
- [observedModels](swiftdata/historyobserver/observedmodels.md)
- [authors](swiftdata/historyobserver/authors.md)