Variables

Variables let you personalize conversations with dynamic data — caller information, API responses, or values you define.

Location: Workflow tab → Variables button (top right)

Variable Types

Syntax

Use double curly braces anywhere in prompts or conditions:

Hello {{customer_name}}! Thanks for calling {{company_name}}.

Default Values

Handle missing variables with the pipe syntax:

Hello {{customer_name|there}}!

If customer_name is empty → “Hello there!”

System Variables

Creating Variables

1. Click Variables in the workflow tab
2. Go to User Defined tab
3. Click + Add Variable
4. Enter name and default value

Extracting from APIs

In API nodes, use Extract Response Data to create variables from responses: