> ## Documentation Index
> Fetch the complete documentation index at: https://agno-v2-studio-tools-doc.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Router

> Runnable workflow examples under: cookbook/04_workflows/07_cel_expressions/router.

| Example                                                                                           | Description                                                                  |
| ------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------- |
| [CEL Additional Data Route](/examples/workflows/cel-expressions/router/cel-additional-data-route) | Uses additional\_data.route to let the caller specify which step.            |
| [CEL Previous Step Route](/examples/workflows/cel-expressions/router/cel-previous-step-route)     | Uses previous\_step\_outputs map to access the classifier step by name,.     |
| [CEL Session State Route](/examples/workflows/cel-expressions/router/cel-session-state-route)     | Uses session\_state.preferred\_handler to persist routing preferences.       |
| [CEL Ternary](/examples/workflows/cel-expressions/router/cel-ternary)                             | Uses a CEL ternary to pick between two steps based on whether.               |
| [CEL Using Step Choices](/examples/workflows/cel-expressions/router/cel-using-step-choices)       | Uses step\_choices\[0], step\_choices\[1], etc. to reference steps by their. |