# AbstractDataHierarchyManager

```cpp
// The core and its managers are located in this header
#include "CoreInterface.h"

// Use this global function to access the data hierarchy manager
mv::dataHierarchy()->...
```

### Related
- Data hierarchy {doc}`models <../models/data_hierarchy/index>`
- Data hierarchy {cpp:class}`item <mv::DataHierarchyItem>`

**Qualified name:** `mv::AbstractDataHierarchyManager`

```{doxygenclass} mv::AbstractDataHierarchyManager
:members:
:protected-members: