> For the complete documentation index, see [llms.txt](https://help.auxalia.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.auxalia.com/plant-tools/plantspecdriven/how-to-use/use-cases/understanding-the-structure-tree-pid/structure-tree-menu-pid.md).

# Structure Tree Menu (P\&ID)

This chapter describes describes the menu of the Structure Tree.

The Structure Tree has a menu button at the very right of the toolbar. If you click on it you see the following entries.

There are specific chapters which handle the topics.

* [Update assigned Spe Data in active drawing](/plant-tools/plantspecdriven/how-to-use/use-cases/editing-line-segment-properties-pid/inserting-symbols-pid/understanding-assigning-pipe-spec-data-pid/updating-assigned-pipe-spec-data-pid.md)
* [Update assigned Spe Data in project](/plant-tools/plantspecdriven/how-to-use/use-cases/editing-line-segment-properties-pid/inserting-symbols-pid/understanding-assigning-pipe-spec-data-pid/updating-assigned-pipe-spec-data-pid.md)
* [Tree Settings](/plant-tools/plantspecdriven/how-to-use/configuration/tree-settings.md)
* [Edit Relationship Types](/plant-tools/plantspecdriven/how-to-use/configuration/relationships.md)
* [Delete orphan Fasteners (NPOs)](/plant-tools/plantspecdriven/how-to-use/use-cases/deleting-orphan-fasteners-pid.md)

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