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Reference / canvas.create

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canvas.create

Create a canvas and return the id required by canvas-scoped commands.

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canvas.create

mutation write

Use when the requested change exactly matches canvas.create; read the current state first when a version or identifier may have changed.

Before calling

  • Authenticate as the accountable Enhance person.
  • Use only resource identifiers returned by an earlier capability result or supplied by the person.
  • Reuse clientToken only when retrying this exact mutation input.

Input

Show complete JSON Schema 
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "title": {
      "type": "string",
      "minLength": 1,
      "maxLength": 200
    },
    "organisationId": {
      "default": null,
      "anyOf": [
        {
          "type": "string",
          "format": "uuid",
          "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"
        },
        {
          "type": "null"
        }
      ]
    },
    "sourceUrl": {
      "default": null,
      "anyOf": [
        {
          "type": "string",
          "maxLength": 2048
        },
        {
          "type": "null"
        }
      ]
    }
  },
  "required": [
    "title",
    "organisationId",
    "sourceUrl"
  ],
  "additionalProperties": false
}

Example

Show example input 
{
  "title": "x",
  "organisationId": null,
  "sourceUrl": null
}

Result

Returns a typed canvas.create result from the Enhance API without transport-specific prose.

Recovery

  • BAD_REQUEST: correct the named fields and call again.
  • UNAUTHORIZED: restore Enhance authentication, then retry once.
  • FORBIDDEN or NOT_FOUND: list accessible resources and choose an allowed identifier.
  • CONFLICT: read the current resource, merge the intended change, and retry with its version.
  • INTERNAL: run Enhance diagnostics, report the failure, and stop repeating the call.

Continue with

  • Read the affected canvas resource to confirm the result.

Compatibility: 63a7238867ecd394639c7a69b4b83f22323ce55ceba4b62fffbf5e3e3e163c44.