> For the complete documentation index, see [llms.txt](https://guides.ohie.org/getting-started/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guides.ohie.org/getting-started/dev/pathway-2-architecture/phase-2-requirements-and-design.md).

# Pathway 2.2 - Requirements and Design

## <img src="/files/-MdXqaknzBgtMV70OkJZ" alt="" data-size="line"> Process

* [ ] <img src="/files/-MeQEES7YfIt5ZVNk9r0" alt="" data-size="line"> [Inventory Existing Tools](/getting-started/dev/pathway-2-architecture/phase-2-requirements-and-design/inventory-existing-tools.md)
* [ ] <img src="/files/-MeQF3O_fopvNf0Wxnbt" alt="" data-size="line"> [Document Use Cases](/getting-started/dev/pathway-2-architecture/phase-2-requirements-and-design/document-use-cases.md)
* [ ] <img src="/files/-MeQFBpvxIDM8oIG_twF" alt="" data-size="line"> [Establish Architecture Principles](/getting-started/dev/pathway-2-architecture/phase-2-requirements-and-design/establish-architecture-principles.md)
* [ ] <img src="/files/-MeQFKJY93qQnWxH0Zk9" alt="" data-size="line"> [Document the Architecture](/getting-started/dev/pathway-2-architecture/phase-2-requirements-and-design/document-the-architecture.md)
* [ ] <img src="/files/-MeQcjQ6REQfagElzy8P" alt="" data-size="line"> [Establish Architecture Processes](/getting-started/dev/pathway-2-architecture/phase-2-requirements-and-design/establish-architecture-processes.md)
* [ ] <img src="/files/-MeQFsncMxvuf3PIV0Ab" alt="" data-size="line"> [Establish Standards](/getting-started/dev/pathway-2-architecture/phase-2-requirements-and-design/establish-processes.md)

{% content-ref url="/pages/-MblKV2wOQQ19aZOc1uz" %}
[Pathway 2.3 -  Implement, Support, and Scale](/getting-started/dev/pathway-2-architecture/phase-3-implement-support-and-scale.md)
{% endcontent-ref %}