> For the complete documentation index, see [llms.txt](https://emotiv.gitbook.io/emotivpro-builder/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://emotiv.gitbook.io/emotivpro-builder/phase-management-and-settings/phase-library.md).

# Phase library

You can save completed phases in an experiment to the phase library so you can reuse them in another experiment. To do this, click on the **Phase Library** button, then type a name for the phase and click on **Add to library**. Saving completed phases to the phase library is useful as you can re-use a phase in another experiment.


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