> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/nemo/guardrails/v0.24.0/configure-guardrails/colang/usage-examples/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/nemo/guardrails/_mcp/server.

# Colang Usage Examples

> Practical examples of Colang patterns for bot messages, value extraction, and flow control.

This section provides examples of how to use Colang flows to create guardrails.

> Practical examples of Colang patterns for bot messages, value extraction, and flow control.

## Docs

- [Bot Message Instructions](https://docs.nvidia.com/nemo/guardrails/v0.24.0/configure-guardrails/colang/usage-examples/bot-message-instructions.md): Provide custom instructions to control how the LLM generates bot messages in Colang 1.0 and 2.0.
- [Extract User-provided Values](https://docs.nvidia.com/nemo/guardrails/v0.24.0/configure-guardrails/colang/usage-examples/extract-user-provided-values.md): Extract and store user-provided values like names, dates, and queries in context variables.