Uploaded July 2026 | Updated September 2026, 5 days ago
In this Griptape experiment, we demonstrate a custom Semantic CEL dialog tool inside Katana. Instead of manually navigating the scene or writing a CEL expression by hand, this tool allows you to type a plain English description to get exactly what you want.
Powered by a Griptape workflow and an LLM agent, the tool references Katana's CEL documentation alongside custom rules to generate the actual CEL expression based on your natural language input and the scene graph context. Watch how the generated CEL expression instantly resolves to assign a red material to a character's body.
The video also covers how to apply materials to specific custom attributes, demonstrating how every scene graph location with the attribute 'shiny' gets the red material. Apply expressions instantly without digging through the scene or the documentation!
00:00 - Introduction
00:10 - Opening the Semantic CEL Dialog
00:19 - Using Plain English to Generate a CEL Expression
00:27 - How It Works: The Griptape Nodes Workflow
00:45 - Result: Material Assigned to Character Body
00:53 - Targeting Specific Custom Attributes
01:05 - Conclusion
đź”— Helpful Links:
▶️ Installing Griptape Nodes: youtube.com/watch?v=riPqmSokTGo
⚙️ How to Install Additional Node Libraries: youtube.com/watch?v=29gJpg4LFN8
🤔 Why Griptape? Learn more here: foundry.com/products/griptape
đź’¬ Join the Griptape Discord Community: discord.com/invite/griptape
Follow Foundry:
instagram.com/foundryteam
linkedin.com/company/foundryteam
Go behind the scenes with the artists, studios, and tech shaping the future of VFX and animation: foundry.com/insights
About Us:
Foundry creates award-winning creative software so global studios can turn incredible ideas into reality.
Subscribe to our channel and get the latest news, tutorials, webinars and updates from the Foundry team.
In this Griptape experiment, we demonstrate a custom Semantic CEL dialog tool inside Katana. Instead of manually navigating the scene or writing a CEL expression by hand, this tool allows you to type a plain English description to get exactly what you want.
Powered by a Griptape workflow and an LLM agent, the tool references Katana's CEL documentation alongside custom rules to generate the actual CEL expression based on your natural language input and the scene graph context. Watch how the generated CEL expression instantly resolves to assign a red material to a character's body.
The video also covers how to apply materials to specific custom attributes, demonstrating how every scene graph location with the attribute 'shiny' gets the red material. Apply expressions instantly without digging through the scene or the documentation!
00:00 - Introduction
00:10 - Opening the Semantic CEL Dialog
00:19 - Using Plain English to Generate a CEL Expression
00:27 - How It Works: The Griptape Nodes Workflow
00:45 - Result: Material Assigned to Character Body
00:53 - Targeting Specific Custom Attributes
01:05 - Conclusion
đź”— Helpful Links:
▶️ Installing Griptape Nodes: youtube.com/watch?v=riPqmSokTGo
⚙️ How to Install Additional Node Libraries: youtube.com/watch?v=29gJpg4LFN8
🤔 Why Griptape? Learn more here: foundry.com/products/griptape
đź’¬ Join the Griptape Discord Community: discord.com/invite/griptape
Follow Foundry:
instagram.com/foundryteam
linkedin.com/company/foundryteam
Go behind the scenes with the artists, studios, and tech shaping the future of VFX and animation: foundry.com/insights
About Us:
Foundry creates award-winning creative software so global studios can turn incredible ideas into reality.
Subscribe to our channel and get the latest news, tutorials, webinars and updates from the Foundry team.
