> For the complete documentation index, see [llms.txt](https://v5docs.keyfax.biz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://v5docs.keyfax.biz/script-data/databox-expressions.md).

# Databox expressions

An expression combines values into a new one: joining text, comparing dates, testing a condition, formatting a number.

**This page will cover**

* Where expressions can be used
* The building blocks: literals, operators and functions
* Text, numeric, date and logical expressions
* Worked examples, including working hours, business days and response times
* The full function list, in the Expression reference