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Knowledge Base Integration for Voice AI Agents

Chadwick
Updated

Welcome to a smarter way to power your Voice-AI agents! The new Knowledge Base Integration for Voice-AI Agents in Captivation Hub lets you deliver accurate, context-aware responses by connecting each agent to a dedicated knowledge base, triggered by custom prompts and dynamic user queries.

TABLE OF CONTENTS

What is Voice-AI Knowledge Base Integration?


 

Voice-AI Knowledge Base Integration allows you to assign a specific knowledge base to each Voice-AI agent in Captivation Hub. When a user’s spoken input matches a configured trigger prompt, the agent automatically searches the attached knowledge base and delivers the most relevant answer. This ensures your voice agents provide intelligent, up-to-date responses tailored to your business needs.

Key Benefits of Voice-AI Knowledge Base Integration


 

Unlock the full potential of your Voice-AI agents with these powerful advantages:

 

  • Personalized Agent Responses: Assign unique knowledge bases to each agent, ensuring responses are relevant to the agent’s domain or purpose.

     
  • Trigger-Based Activation: Use custom prompts to control exactly when the knowledge base is queried, aligning responses with user intent.

     
  • Real-Time, Dynamic Answers: Voice agents analyze user queries and fetch precise answers from the knowledge base instantly.

     
  • Effortless Updates: Any changes made to the knowledge base are immediately reflected in agent responses, with no extra configuration required.

     
  • Scalable and Maintainable: Easily manage multiple agents and knowledge bases without complex logic or ongoing development.

How To Setup Voice-AI Knowledge Base Integration


 

Proper setup ensures your Voice-AI agents deliver accurate, context-aware responses every time. Follow these steps to integrate a knowledge base with your agents.

 

Step 1: Open Voice AI Agents Panel


 

  • From your Captivation Hub account, click on AI Agents and then on Voice AI option.

    Screenshot 2025-07-11 at 1.50.52 PM.png

     

Step 2: Edit an Existing Agent or Create a New One


 

  • You can either create a new agent. (Checkout our guide on Creating Voice AI Agents)
     

  • or edit an existing one.

     

  • To edit, click the three dots next to the agent name and select Edit.

    Screenshot 2025-07-11 at 1.52.54 PM.png

     

Step 3: Go to the Agent Goals Tab


 

  • Inside the agent editor, click the Agent Goals tab to customize the agent's personality and logic.

     

  • Under Select knowledge base, choose from your existing knowledge bases or click Create New to add a new one.

     

  • Tip: Assign a KB that aligns with the agent’s function or audience (e.g., sales, product support).

    Screenshot 2025-07-11 at 1.54.25 PM.png

     

Step 4: Set When to Use the Knowledge Base (Trigger Prompt)
In the field labeled When to use this knowledge base, define a detailed prompt that guides the agent on when to activate the knowledge base.

Example:
“Use this knowledge base if the user asks any questions about the business, services, products, contact details, or other relevant information that requires accessing the business wiki to provide accurate and up-to-date information.”

Screenshot 2025-07-11 at 1.57.12 PM.png

 

Best Practices for Managing Voice AI Knowledge Bases


 

Effective knowledge base usage goes beyond just setup—it requires thoughtful planning, prompt design, content maintenance, and performance monitoring.


 

  • Managing Multiple Knowledge Bases

    Assigning different knowledge bases to various agents allows you to tailor responses for specific departments, products, or services.

     
    • Create specialized knowledge bases for sales, support, or product information.

       
    • Attach the relevant knowledge base to each agent for targeted expertise.

       
  • Optimizing Trigger Prompts

    Well-crafted trigger prompts ensure the agent queries the knowledge base at the right moment.

     
    • Use clear, specific language that matches common user intents.

       
    • Test different prompts to find what works best for your audience.

       
  • Updating Knowledge Base Content

    Keep your knowledge base content current to maintain accuracy in agent responses.

     
    • Regularly review and update articles or FAQs.

       
    • Changes are reflected instantly in all agent interactions.

       
  • Monitoring Agent Performance

    Track how often the knowledge base is triggered and the quality of responses.

     
    • Use analytics to identify gaps in your knowledge base.

       
    • Refine prompts or content based on user feedback and agent logs.

Frequently Asked Questions


 

Q: Can I assign more than one knowledge base to a single Voice-AI agent?

Currently, each agent can be linked to one knowledge base at a time.

 

Q: What happens if the user’s input doesn’t match the trigger prompt?

The knowledge base will not be queried; the agent will follow its default behavior.

 

Q: Can I use this feature in both Basic and Advanced agent modes?

Yes, Knowledge Base Integration is available in both Basic and Advanced modes under Agent Goals.

 

Q: How quickly are updates to the knowledge base reflected in agent responses?

Updates are immediate—any changes to the knowledge base are instantly available to the agent.

 

Q: Is there a limit to the size of the knowledge base I can attach?

There are no published limits, but performance may vary with extremely large knowledge bases.

 

Q: Can I customize the trigger prompt for each agent?

Yes, you can set a unique trigger prompt for every agent.

 

Q: Will this integration work with third-party knowledge bases?

The feature is designed for Captivation Hub's built-in knowledge bases at this time.

 

Q: How can I test if my knowledge base integration is working?

Use the test function in the agent setup or interact with the agent using the trigger prompt to verify responses.

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