cnvs.app · Schema
AddTextRequest
CompanyWhiteboardCollaborationReal-TimeKanbanMCPAI AgentsDiagramming
Properties
| Name | Type | Description |
|---|---|---|
| id | string | Optional stable id. Pass an existing id to UPDATE that node in place; omit to CREATE a new one with a fresh UUID. |
| x | number | World x (+x right). |
| y | number | World y (+y DOWN, standard SVG). |
| content | string | Raw content (up to 100 000 chars). Supports cnvs markup (Markdown-ish) and Mermaid (one diagram per node — entire content must be a single ```mermaid fenced block). |
| color | string | Ink color NAME — same mental model as clicking the ink picker. Case-insensitive. `auto` / `black` / omitted → theme-aware. `red` / `blue` / `green` and the extended palette (`orange`, `yellow`, `pink` |
| width | numbernull | Explicit width in px (160–4096), or null for auto-fit. |
| postit | boolean | Renders as a yellow sticky note when true. |
| author | object |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://artifacts.apis.io/cnvs-app/json-schema/cnvs-app-add-text-request-schema.json",
"title": "AddTextRequest",
"x-generated": "2026-11-04",
"x-method": "derived",
"x-generator": "derive-json-schema.py",
"x-source": "openapi/cnvs-app-openapi.yml#/components/schemas/AddTextRequest",
"type": "object",
"required": [
"x",
"y",
"content"
],
"properties": {
"id": {
"type": "string",
"description": "Optional stable id. Pass an existing id to UPDATE that node in place; omit to CREATE a new one with a fresh UUID."
},
"x": {
"type": "number",
"description": "World x (+x right)."
},
"y": {
"type": "number",
"description": "World y (+y DOWN, standard SVG)."
},
"content": {
"type": "string",
"description": "Raw content (up to 100 000 chars). Supports cnvs markup (Markdown-ish) and Mermaid (one diagram per node — entire content must be a single ```mermaid fenced block)."
},
"color": {
"type": "string",
"enum": [
"auto",
"black",
"red",
"blue",
"green",
"orange",
"yellow",
"pink",
"purple",
"maroon",
"brown",
"gray",
"lightgray",
"teal",
"sage",
"sky",
"lavender"
],
"description": "Ink color NAME — same mental model as clicking the ink picker. Case-insensitive. `auto` / `black` / omitted → theme-aware. `red` / `blue` / `green` and the extended palette (`orange`, `yellow`, `pink`, `purple`, `maroon`, `brown`, `gray`, `lightgray`, `teal`, `sage`, `sky`, `lavender`) → emphasis colors. Custom hex codes silently clamp to `auto` so AI writes never end up invisible on dark mode."
},
"width": {
"type": [
"number",
"null"
],
"description": "Explicit width in px (160–4096), or null for auto-fit."
},
"postit": {
"type": "boolean",
"description": "Renders as a yellow sticky note when true."
},
"author": {
"$ref": "#/$defs/AuthorTag"
}
},
"$defs": {
"AuthorTag": {
"type": "string",
"description": "Author tag, charset `[A-Za-z0-9:_\\-.]`, max 80 chars. Defaults to `ai:rest` for REST mutations. Use `ai:<your-label>` (e.g. `ai:claude`, `ai:mybot`) so humans can tell AI edits apart.",
"pattern": "^[A-Za-z0-9:_\\-.]{1,80}$"
}
}
}
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