> For the complete documentation index, see [llms.txt](https://blueprint.onehilltech.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://blueprint.onehilltech.com/developer-guide/the-object-model.md).

# The Object Model

- [Introduction](https://blueprint.onehilltech.com/developer-guide/the-object-model/introduction.md): Introduction to the object model
- [Classes and Instances](https://blueprint.onehilltech.com/developer-guide/the-object-model/classes-and-instances.md): General overview of defining classes and creating instances
- [Computed Properties](https://blueprint.onehilltech.com/developer-guide/the-object-model/computed-properties.md): How to use computed properties in the object model
- [Aggregated Properties](https://blueprint.onehilltech.com/developer-guide/the-object-model/aggregated-properties.md): Discusses the purpose and use of aggregated properties
- [Mixins](https://blueprint.onehilltech.com/developer-guide/the-object-model/mixins.md): Learn how to create and apply mixins