> ## Documentation Index
> Fetch the complete documentation index at: https://docs.aseeflow.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Expression Language

ASEE Flow supports the Unified Expression Language and the Friendly Enough Expression Language.

* [**Friendly Enough Expression Language**](/user-guide/process-engine/expression-language/friendly-enough-expression-language) — FEEL, used primarily in DMN.
* [**Unified Expression Language**](/user-guide/process-engine/expression-language/unified-expression-language) — JUEL, used throughout BPMN and CMMN.