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Version History tracks snapshots of your flow agent, allowing you to review changes and restore previous states.

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Overview

Each version captures:
  • Agent configuration (name, system prompt, settings)
  • All nodes and their configurations
  • All edges and transitions
  • Voice and environment settings

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Viewing Version History

  1. Open your flow agent in the Flow Builder
  2. Click Settings → Version History
  3. Browse the timeline of versions

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Version Information

Each version shows:
FieldDescription
Version #Sequential version number
Date/TimeWhen the version was created
Created ByWho saved the version
Node CountNumber of nodes in this version
Edge CountNumber of connections
Restored FromIf restored from another version

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Creating Versions

Versions are created automatically when:
  • You save the flow
  • You activate/deactivate the agent
  • You restore from a previous version

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Manual Version Notes

Add notes when saving important milestones: 
Version 12: "Added Spanish language support"
Version 13: "Fixed billing transition bug"
Version 14: "Pre-launch final version"

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Restoring Versions

To restore a previous version:
  1. Open Version History
  2. Find the version you want
  3. Click Restore
  4. Confirm the restoration
  5. A new version is created with the restored content
Restoring creates a new version. Your current work becomes the previous version and isn’t lost.

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What Gets Restored

RestoredNot Restored
Node configurationsPhone number assignments
Edge connectionsCall history
System promptAnalytics data
Voice settingsKnowledge base content
Environment settings

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Use Cases

Scenario: You pushed a change that broke the flow.Solution:
  1. Deactivate the agent
  2. Open Version History
  3. Restore the last working version
  4. Reactivate
Scenario: You want to see what changed between versions.Solution:
  1. Note the configuration in the current version
  2. Restore an older version (temporarily)
  3. Compare the differences
  4. Restore the newer version if needed
Scenario: You want to try major changes without risk.Solution:
  1. Save current version as a checkpoint
  2. Make experimental changes
  3. Test thoroughly
  4. Keep or restore as needed

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Version Timeline

Versions form a linear timeline: 
v1 → v2 → v3 → v4 → v5 (current)
         ↑
         Restored from v2 creates v6
Restoring doesn’t replace the timeline—it adds a new version.

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Best Practices

Save Before Big Changes

Create a checkpoint before major modifications.

Name Important Versions

Add notes to milestone versions for easy identification.

Review Before Restoring

Check what’s in a version before restoring.

Don't Panic

Your current work is never lost—it becomes the previous version.

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Version Limits

LimitValue
Versions per agentUnlimited
Version retentionIndefinite
Restore speedInstant

Publishing

Go live with your agent

Flow Canvas

Edit your flow