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Use Voice mode to simulate real-time call interactions with your agent before going live.

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How to Test in Voice Mode

  1. Switch to Voice tab at the top of the Playground
  2. Click Start New Call at the bottom
  3. Speak to the agent as a real caller would
  4. Listen to the agent’s responses in real time
Testvoice

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After the Call Ends

Once the call completes, you can:
  • ▶️ Replay the recording
  • ⏩ Adjust playback speed
  • ⬇️ Download the audio
  • Review node execution logs

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Node Execution Trace

Displays the real-time path the agent follows through connected nodes during the call — useful for debugging workflow behavior.
Trace
For each step you can see:
  • Which node was triggered
  • The exact input it received
  • The output it generated
  • Whether the action executed successfully
Common node types shown:

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Function Call Logs

When your agent triggers an action (e.g. a transfer or API call), the Playground shows:
  • Input payload
  • Output response
  • Execution status
Example:
Use this to verify data mapping, variable passing, and integration accuracy.

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Test History & Restore

On the right side of the Playground, the Test History panel lets you:
Testhistory 1
  • View all previous test sessions
  • Click Restore to reload a past conversation
  • Re-check transcripts and node execution
Useful for debugging previous issues or validating fixes after making changes.

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Real-Time Debugging

If something goes wrong during a test, you can immediately:
  • Identify which node failed
  • Check incorrect branching
  • Inspect variable replacements
  • Confirm action execution
Fix the node in Agent Builder and retest — without leaving the Playground.

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Best Practice

Before deploying your agent, make sure to:
  • Test multiple conversation paths
  • Trigger all conditional branches
  • Validate all integrations
  • Replay voice recordings
  • Confirm all actions execute successfully
Only deploy after full Playground validation.