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Custom prompt

A prompt is the instruction or set of instructions given to the chatbot that guides how it processes and responds to user input.

Biel.ai provides two options for configuring your chatbot's behavior:

Option 1: AI assistant (Default)​

This is the default prompt that comes pre-configured with built-in restrictions and optimizations specifically designed for technical documentation and support interactions. It includes:

  • Built-in safeguards for accurate responses
  • Optimized processing for technical content
  • Advanced features for documentation handling

You can extend the default AI Assistant behavior by adding specific instructions. For example:

  • Adding a signature to every response
  • Including specific phrases in responses
  • Modifying the tone or style while maintaining core functionality

Option 2: Custom prompt​

For complete control over the chatbot's behavior, you can define your own custom prompt. This option allows you to:

  • Define the exact personality and behavior
  • Set specific response patterns
  • Customize the interaction style
  • Target specific use cases
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Defining your own custom prompt gives you full control over the chatbot's behavior, but it may disable some of the platform's built-in safeguards and advanced processing features.

Configure the prompt​

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Only users with the Administrator or Maintainer role can manage projects. For more details, see Manage roles.

Follow these steps to configure your prompt:

  1. Log in to your Biel.ai account and navigate to your dashboard.

  2. Select your project from the list of available projects.

  3. Click Settings.

  4. Under the LLM settings > Define prompt section:

    • For AI Assistant: Select AI Assistant and optionally add your extensions to the default behavior
    • For Custom Prompt: Select Custom prompt and define your complete prompt

  5. Example of extending the AI Assistant prompt:

    [Default AI Assistant behavior]
    Always start responses with "Ahoy!"

  6. Example of a custom prompt:

    You are a customer support assistant for [Product Name]. Provide clear, accurate answers related to product features, troubleshooting, and usage. Keep responses professional and focused on the product. Only respond based on the information you can extract from CONTEXT and the conversation HISTORY.

  7. Click Save to apply the changes.