> 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/configuration/the-wizard/spec-driven-lines-symbols/page-3-class-selection-pid.md).

# Page 3 - Class Selection P\&ID

By default, PlantSpecDriven has Inline Assets and Inline Instruments enabled. If you do not use Inline Instruments you can disabled this class. However, Inline Assets class is mandatory.

![](/files/l0lBRWZpJ2hoQ5AdvFIh)
