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Variables let you personalize conversations with dynamic data. Instead of static text, insert values that change based on the caller, API responses, or information collected during the call. Location: Config Panel (right sidebar) → Variables

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Variable Types

User defined variables
Variables you create with default values.
ExampleUse Case
{{company_name}}Your company name
{{support_hours}}Operating hours
{{promo_code}}Current promotion

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Syntax

Use double curly braces: 
{{variable_name}}

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Example

In your prompt: 
Hello {{customer_name}}! Thanks for calling {{company_name}}.

I see you're a {{api.tier}} member. Your last order was 
{{api.last_order_status}}.

How can I help you today?
At runtime: 
Hello Sarah! Thanks for calling Acme Corp.

I see you're a Premium member. Your last order was 
shipped on Monday.

How can I help you today?

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Default Values

Handle missing variables gracefully: 
Hello {{customer_name|there}}!
If customer_name is empty → “Hello there!”

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Creating User Variables

  1. Open the Variables panel
  2. Go to User Defined tab
  3. Click + Add Variable
  4. Enter name and default value
  5. Use in prompts with {{name}} syntax

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Best Practices

GoodBad
{{customer_first_name}}{{n}}
{{appointment_date}}{{d1}}
What if the variable is empty?
  • Use default values: {{name|there}}
  • Handle in prompt: “If customer name is unknown, greet generically”
Verify variables replace correctly. Check Convo Logs to see actual values.

API Calls

Fetch data from external APIs

Writing Prompts

Use variables in your prompts