Edges connect nodes, defining the possible paths a conversation can take through your Agent Graph. They determine the flow logic and create structured conversational experiences.

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Functionality

  • Connections: Edges direct flow from a source node to a target node.
  • Directionality: Each edge has a specific direction, flowing from one node to another.
  • Visual Representation: Displayed as arrows on the Canvas.

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Conditional Edges

A powerful feature of edges is the ability to add conditions, allowing for dynamic conversation paths based on context:

  • Natural Language Conditions: Write conditions in plain English that the agent will interpret.
  • Context Awareness: Conditions are evaluated based on the current conversation state, including user inputs and any variables.
  • Multiple Paths: When a node has multiple outgoing edges, the agent evaluates the condition associated with each edge after executing the source node’s logic.
  • Path Selection: The agent will follow the outgoing edge whose condition evaluates to true.

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Examples

Example 1: Simple Conditional Routing

Condition: User asks about pricing

Example 2: Intent Detection

Condition: User wants to track their order

Example 3: Entity-Based Routing

Condition: User mentions t-shirts or apparel

Example 4: Complex Logic

Condition: User is a returning customer AND is asking about premium products

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Best Practices

  • Clear Conditions: Make conditions clear and distinct to avoid ambiguity
  • Condition Testing: Test conditions thoroughly with various user inputs
  • Simplicity: Keep conditions focused on a single concept when possible

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Building Complex Flows

By combining nodes and conditional edges, you can build sophisticated conversation flows that adapt to user inputs and context. Consider these patterns:

  • Decision Trees: Use conditional edges to create branching paths based on user choices
  • Information Collection: Route through different nodes to gather specific information
  • Error Handling: Create paths for handling misunderstandings or invalid inputs
  • Context Switching: Allow users to change topics with edges that detect new intents

Node Types

Learn about the different types of nodes

Agent Execution Flow

Understand how agents process conversations