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AI Agents: Tool and Function Calling Under the Hood

October 02, 2026 at 06:00 PM

Most people can build a chatbot, but few can build an autonomous agent. What is the secret sauce that allows a probabilistic model to execute deterministic functions?

Join us for a technical deep dive into the mechanics of Tool and Function Calling. We will peel back the curtain on how LLMs transition from mere text predictors to active agents. We'll explore the engineering behind decision-making: How does a model recognize a tool's necessity? How do we enforce structured JSON outputs without hallucination? And how do we manage the 'reasoning loop' where the model interprets a tool's output to decide its next move?

We will go beyond the high-level APIs to discuss the underlying prompt engineering, parsing logic, and state management required to build reliable systems. We’ll wrap up with a live, hands-on demo where we build a functioning agent that interacts with real-world tools to solve a complex, multi-step scenario.

Speaker

Ravi Chandra - Associate Technical Architect at Netwoven

About the Speaker

Mr. Ravi Chandra is an Associate Technical Architect at Netwoven, a Dublin, CA-based company specializing in Microsoft product consulting.

Ravi Chandra focuses on designing, delivering, and implementing large-scale enterprise systems for Fortune 500 companies using M365 and Azure Cloud. His areas of expertise include Microsoft SharePoint Online, on-premises to Cloud migrations, SPFx solutions, .NET, JavaScript, React, Cloud Computing, PowerShell, and the Power Platform. With extensive experience in project delivery, he has played key roles in development, infrastructure, project management, and execution across various domains.

Location

1981 Chester Dr, Tracy, CA 95376

Parking and Basic Information

The venue has plenty of no-cost parking. If possible, use the south parking lot, closer to Lowell Ave since it is closer to the classrooms within the building.

Registration Coming Soon!

Upcoming Events
  • Faster Attackers, Smarter Defenders: Security in the Age of AI
  • AI Agents: Tool and Function Calling Under the Hood
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Past Events [All]
  • Let's Build JeolAI: Building Production AI Agents with Vertex AI and FastAPI
  • Local AI: Run Smarter Not Bigger
  • From Idea to iOS App in Minutes: Building with Codex and Xcode
  • Turn Enterprise Data into Contextual Answers with RAG and Microsoft Foundry
  • Vibe Coding Night, from Hobbyist to Enterprise
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