> For the complete documentation index, see [llms.txt](https://docs.avoautomation.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.avoautomation.com/avo-assure/create-and-execute-tests-with-design-studio/working-with-test-case-section/reusable-library.md). # Reusable Library The Reusable Library in Avo Assure is automatically available in every test case within a project and serves as a centralized repository for reusable test step groups. By creating reusable step groups, you can reduce duplication, improve script maintenance, and promote consistency across test cases. This article explains the different ways to create a Reusable Library, how to use it in test cases, detach it when required, view its details and audit logs, and assign reused test step groups. --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation by asking a question. Perform an HTTP GET request on the following URL with the `ask` and `goal` query parameters: ``` GET https://docs.avoautomation.com/avo-assure/create-and-execute-tests-with-design-studio/working-with-test-case-section/reusable-library.md?ask=&goal= ``` `ask` is the immediate question: it should be specific, self-contained, and written in natural language. `goal` is what the user is ultimately trying to achieve, the reason they need the answer. Sharing it helps GitBook give you a better, more relevant answer. A goal is most helpful when it describes the outcome the user wants rather than restating the question. For example, with `ask=how do I create an API token`, a goal like `automate deployments from our CI pipeline` lets GitBook tailor the answer to that use case. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.