Reference Documentation

This section provides technical reference material for expressions, templates, events, and terminology used throughout Agents.

Reference Sections

CEL Expressions

Complete reference for Common Expression Language (CEL) used in conditions and dynamic values.

• Syntax and operators
• Available variables
• Built-in functions
• Examples by use case

Liquid Templates

Complete reference for Liquid templating used in text generation and message formatting.

• Template syntax
• Available objects and variables
• Filters and transformations
• Common patterns

System Events

Reference for all system events that can trigger workflows.

• Event types and when they fire
• Event payload schemas
• Filtering and rules

Glossary

Definitions of key terms and concepts used in the platform.

• Platform terminology
• Technical concepts
• Abbreviations

Quick Reference

Expression Languages

Common Variables

In CEL:

trigger       // Event trigger data
json          // Upstream node output
items         // Array of items (batch mode)

In Liquid:

{{ trigger }}           // Event data
{{ json }}              // Upstream output
{{ json.meeting }}      // Nested access
{{ author.name }}       // Current user
{{ organization.name }} // Organization

Key Event Types

Using This Reference

Finding Information

• Condition not working? → Check CEL Expressions
• Message formatting? → Check Liquid Templates
• Trigger behavior? → Check System Events
• Term unclear? → Check Glossary

Code Examples

All reference pages include practical examples. Copy and adapt them for your workflows.

Cross-References

References link to related guides and tutorials for context on how concepts are applied in practice.

Related

• Core Concepts
• Workflow Design
• Data Flow