> ## Documentation Index
> Fetch the complete documentation index at: https://www.bolna.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Bolna AI Updates for December, 2025

> Explore the latest features, improvements, and API updates introduced in December 2025 for Bolna Voice AI agents.

<Update label="20th Dec, 2025">
  ## Mention function calls using '@' in agent prompts

  You can now mention function calls directly in your agent prompt using the `@` symbol. Simply type `@` followed by the function name to reference it in your instructions, making it easier to guide your agent on when to use specific functions.

  <Frame caption="Mention function calls using '@' in your agent prompt">
    <img src="https://mintcdn.com/bolna-54a2d4fe/a8_ZX7SCl7UJOzIw/images/changelog/20_december_2025_function_mention.png?fit=max&auto=format&n=a8_ZX7SCl7UJOzIw&q=85&s=57c8919d7833986a3c62269a27165c4e" alt="Agent prompt interface showing '@' symbol for mentioning function calls in Bolna Voice AI agent instructions" width="1504" height="754" data-path="images/changelog/20_december_2025_function_mention.png" />
  </Frame>
</Update>

<Update label="17th Dec, 2025">
  ## New Transcriber Integration: Pixa

  Bolna's transcriber lineup grows with **[Pixa](/providers/transcriber/pixa)**. Use it as an additional transcription backend to pick the provider that best matches your agent's domain and reliability needs.
</Update>

<Update label="13th Dec, 2025">
  ## New Transcriber Integration: Gladia

  You can now plug **[Gladia](/providers/transcriber/gladia)** into Bolna for speech-to-text. This adds another strong choice for teams that want flexibility across languages and scenarios.
</Update>

<Update label="10th Dec, 2025">
  ## New Transcriber Integration: ElevenLabs Scribe

  **[ElevenLabs Scribe](/providers/transcriber/elevenlabs)** is now available as a transcriber option in Bolna. This provides more flexibility for building voice AI agents across different languages and use cases.
</Update>

<Update label="7th Dec, 2025">
  ## URL support for Knowledgebases

  Knowledgebases now support [website URLs](/getting-started/knowledge-base) as data sources, allowing you to ingest and reference content directly from web links.
</Update>

<Update label="4th Dec, 2025">
  ## Improved Knowledgebase support

  * Added support for multiple PDF documents which can be used together.
  * Fixed issues with function calls while using knowledgebases.
  * Improved retrieval accuracy and reduced response latency.
</Update>