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What is the Functions Tab?

The Functions Tab enables you to add dynamic capabilities to your voice AI agent through function calling. Configure appointment scheduling, call transfers to human agents, and custom API integrations to make your agent truly actionable beyond conversation.
Access Bolna playground from https://platform.bolna.ai/.
Functions tab in Bolna Playground displaying custom function calls, API integrations, appointment scheduling, call transfer setup, and tool calling configurations for enhanced Voice AI agent capabilities

Functions Tab on Bolna Playground

Available function types

  1. Choose desired functions, customise and add
  2. Connect using cal.com API (Calendly / Google Calendar coming soon) to check availability of slots for selected event type
  3. Transfer call to one (or multiple) human phone numbers on meeting decided conditions. Make sure your prompts are clear to avoid chances of agent transferring calls when not necessary
  4. Book appointments in free slots using cal.com API (Calendly / Google Calendar coming soon)

Next steps

Ready to add function calling to your agent? Explore related features: For integration help, check the API documentation or contact support.
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