For AI agents: the complete documentation index is available at /next/llms.txt, the full documentation bundle is available at /next/llms-full.txt, and this page is available as Markdown at /next/api/genui/openui/catalog/agent/variables/Canvas.md.
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      • Variable: Canvas

      const Canvas: DefinedComponent<ZodObject<{ action: ZodOptional<ZodUnion<readonly [ZodObject<{ steps: ZodArray<ZodObject<{ type: ...; }, $loose>>; }, $strip>, ZodObject<{ context: ZodOptional<ZodString>; params: ZodOptional<ZodRecord<ZodString, ZodAny>>; type: ZodOptional<ZodString>; url: ZodOptional<ZodString>; }, $strip>]>>; code: ZodUnion<readonly [ZodString, ZodArray<ZodString>]>; height: ZodOptional<ZodNumber>; name: ZodOptional<ZodString>; width: ZodOptional<ZodNumber>; }, $strip>, () => null>

      Server-safe OpenUI definition for a programmable Web Canvas 2D surface.

      Except as otherwise noted, this work is licensed under a Creative Commons Attribution 4.0 International License, and code samples are licensed under the Apache License 2.0.