Node Types

Learn about the different node types available in the Workflow Builder.

Trigger Nodes

Trigger

The entry point for a workflow. Defines when the workflow starts.

Properties:

• Type: Conversation start, keyword match, or intent detection
• Conditions: Optional conditions to filter triggers

Message Nodes

Message

Send a text message to the user.

Properties:

• Content: The text content (supports variables with {{variable}} syntax)
• Typing delay: Simulate typing (configurable duration)

Quick Replies

Present predefined options for the user to select.

Properties:

• Question text: The prompt message
• Options: List of button choices with labels
• Variable name: Stores the selected option

Input Nodes

Collect Input

Ask the user for input and validate their response.

Properties:

• Input type: text, email, phone, number, or date
• Prompt: What to ask the user
• Variable name: Where to store the response
• Validation: Regex pattern or built-in validation
• Retry message: Shown if validation fails
• Max retries: Number of retry attempts allowed

AI Nodes

AI Response

Let the AI generate a contextual response.

Properties:

• Model: AI model to use
• System prompt: Additional instructions for this step
• Temperature: Response creativity (0-1)
• Max tokens: Limit response length
• Knowledge base IDs: Which knowledge bases to use for context

Intent Router

Detect user intent and route the conversation to different branches.

Properties:

• Intents: List of possible intents with examples
• Confidence threshold: Minimum confidence score
• Routes: Map intents to different branches
• Default branch: Fallback when no intent matches

Knowledge Search

Search the knowledge base for relevant content.

Properties:

• Knowledge base IDs: Which knowledge bases to search
• Query: Search query (can use variables)
• Top K: Number of results to retrieve
• Min score: Minimum relevance threshold
• Variable name: Store search results

Logic Nodes

Condition

Branch the flow based on conditions.

Properties:

• Conditions: Rules to evaluate
• Default branch: Path when no conditions match

Operators:

• equals, not_equals
• contains, not_contains
• greater_than, less_than
• exists, not_exists

Set Variable

Store or modify a variable value.

Properties:

• Variable name: Name to set
• Value: Value or expression
• Type: string, number, boolean, or json

Delay

Pause the flow for a specified time.

Properties:

• Duration: Time in milliseconds
• Show typing: Display typing indicator during delay

Integration Nodes

API Call

Call an external API.

Properties:

• URL: Endpoint URL (supports variables)
• Method: GET, POST, PUT, DELETE
• Headers: Request headers (supports variables)
• Body: Request payload for POST/PUT
• Timeout: Max wait time in milliseconds
• Response variable: Store the API response
• Error handling: Continue, retry, or fail on error

Action Nodes

Action

End the conversation or perform a final action.

Properties:

• Action type: End conversation, human handoff, or custom action
• Message: Optional message to display
• Assign to: For handoffs, specify agent or team
• Tags: Tags to add to conversation

Node Data Reference

Variable Syntax

Use double curly braces to reference variables:

Hello {{user.name}}! Your order {{order.id}} is confirmed.

Built-in Variables

Condition Examples

Check if variable equals value:

{
  "field": "{{plan}}",
  "operator": "equals",
  "value": "premium"
}

Check if message contains keyword:

{
  "field": "{{message.text}}",
  "operator": "contains",
  "value": "refund"
}

Check if variable exists:

{
  "field": "{{user.email}}",
  "operator": "exists"
}