# Product Structure (Tree)

> Using the Product Structure panel in Asset Transformer Studio

![Product Structure](/api/media?file=/asset-transformer-studio/2026.5.0/media/STUDIO_MoveOccurrence.gif)

The **Product Structure (Tree)** panel is positioned by default at the left side of the GUI.

From there, the user can view the scene occurrences organized in a hierarchy, and interact with them.

> **Warning:**
>
> Understanding the concepts of *product structure* and *occurrences* is key to an efficient use of Asset Transformer Studio. Please refer first to these topics: [About the Product Structure (Tree)](/asset-transformer-studio/2026.5.0/manual/data-preparation-fundamentals/about-the-product-structure-tree.md), [About Occurrences](/asset-transformer-studio/2026.5.0/manual/data-preparation-fundamentals/about-occurrences.md)

## Interacting with the Product Structure

The Product Structure offers direct interaction possibilities to the user, among:

* Expand/collapse the tree
* Select Occurrences
* Move occurrences in the tree to change the way it is organized
* Search for occurrences
* Change occurrences visibility

## Using the Product Structure

To learn how to:

* Use the Product Structure contextual (right-click) menus, see the [Product Structure Right-click Menus](/asset-transformer-studio/2026.5.0/manual/user-interface/window/product-structure-tree/product-structure-right-click-menus.md) topic
* Customize the Product Structure, see the [Customizing the Product Structure](/asset-transformer-studio/2026.5.0/manual/user-interface/window/product-structure-tree/customizing-the-product-structure.md) topic

## Tooltip

When hovering with the mouse an [occurrence](/asset-transformer-studio/2026.5.0/manual/data-preparation-fundamentals/about-occurrences.md) in the Product Structure, a tooltip appears showing some information:

* The [occurrence ID](/asset-transformer-studio/2026.5.0/manual/data-preparation-fundamentals/about-occurrences/occurrence-id.md)
* Statistics about the mesh contained in the occurrence, if applicable (meaning if the occurrence is a Part containing a mesh)

![Product Structure Tooltip](/api/media?file=/asset-transformer-studio/2026.5.0/media/STUDIO_ProductStructureTooltip.gif)

## Related topics

* [About the Product Structure (Tree)](/asset-transformer-studio/2026.5.0/manual/data-preparation-fundamentals/about-the-product-structure-tree.md)
* [About Occurrences](/asset-transformer-studio/2026.5.0/manual/data-preparation-fundamentals/about-occurrences.md)
* [Product Structure Right-click Menus](/asset-transformer-studio/2026.5.0/manual/user-interface/window/product-structure-tree/product-structure-right-click-menus.md)
* [Customizing the Product Structure](/asset-transformer-studio/2026.5.0/manual/user-interface/window/product-structure-tree/customizing-the-product-structure.md)