> For the complete documentation index, see [llms.txt](https://help.workdigital.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.workdigital.io/custom-database-apps/relationships/lookup.md).

# Lookup

This feature allows you to Lookup or pick a field value from another app. E.g. In Time Tracker App, Title is a Lookup field from Tasks Manager.