> For the complete documentation index, see [llms.txt](https://archivedocs.stackstate.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://archivedocs.stackstate.com/5.1/develop/developer-guides/custom-functions.md).

# Custom functions and scripts

- [StackState functions](https://archivedocs.stackstate.com/5.1/develop/developer-guides/custom-functions/functions.md): StackState Self-hosted v5.1.x
- [Check functions](https://archivedocs.stackstate.com/5.1/develop/developer-guides/custom-functions/check-functions.md): StackState Self-hosted v5.1.x
- [Component actions](https://archivedocs.stackstate.com/5.1/develop/developer-guides/custom-functions/component-actions.md): StackState Self-hosted v5.1.x
- [Event handler functions](https://archivedocs.stackstate.com/5.1/develop/developer-guides/custom-functions/event-handler-functions.md): StackState Self-hosted v5.1.x
- [ID extractor functions](https://archivedocs.stackstate.com/5.1/develop/developer-guides/custom-functions/id-extractor-functions.md): StackState Self-hosted v5.1.x
- [Mapping functions](https://archivedocs.stackstate.com/5.1/develop/developer-guides/custom-functions/mapping-functions.md): StackState Self-hosted v5.1.x
- [Monitor functions](https://archivedocs.stackstate.com/5.1/develop/developer-guides/custom-functions/monitor-functions.md): StackState Self-hosted v5.1.x
- [Propagation functions](https://archivedocs.stackstate.com/5.1/develop/developer-guides/custom-functions/propagation-functions.md): StackState Self-hosted v5.1.x
- [Template functions](https://archivedocs.stackstate.com/5.1/develop/developer-guides/custom-functions/template-functions.md): StackState Self-hosted v5.1.x
- [View health state configuration functions](https://archivedocs.stackstate.com/5.1/develop/developer-guides/custom-functions/view-health-state-configuration-functions.md): StackState Self-hosted v5.1.x