> For the complete documentation index, see [llms.txt](https://docs.coherent.global/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.coherent.global/control/coherent-assistant.md).

# Coherent Assistant

- [Working with XCalls](https://docs.coherent.global/control/coherent-assistant/working-with-xcalls.md): Xcalls allow users to reference content and data from spreadsheets on Coherent Spark from within Control files. These references are established in the spreadsheet prior to conversion to Control