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What’s possible

  • Start from any reference image at call creation time.
  • Change avatar appearance during an active call by updating the reference image.
  • Change speaking behavior during an active call by updating the speaking prompt (agent_prompt).
  • Change idle behavior during an active call by updating the idle prompt (agent_idle_prompt).

Common use cases

  • In-call visual changes: swap the reference image mid-session to change scene or character context.
  • Prompt-driven behavior updates: adjust speaking/idle prompts in real time to shift demeanor by context.
  • State-aware behavior: use one demeanor while speaking and another while idle.
  • Programmatic orchestration: trigger visual and behavioral updates from your app logic in real time.