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Reference / canvas.selection

Enhance documentation

canvas.selection

Read the accountable person’s most recently changed live browser selection at an exact canvas version.

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canvas.selection

query read

Use when current canvas state is missing from the task context.

Before calling

  • Authenticate as the accountable Enhance person.
  • Use only resource identifiers returned by an earlier capability result or supplied by the person.

Input

Show complete JSON Schema 
{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"canvasId":{"type":"string","format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"}},"required":["canvasId"]}

Example

Show example input 
{
 "canvasId": "00000000-0000-4000-8000-000000000010"
}

Result

Returns a typed canvas.selection 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: check the supplied resource and selection; do not substitute unrelated content. Ask for corrected access or scope if needed.
  • 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

  • Use the returned identifiers and version in the next canvas operation.

Compatibility: da0bd56942b974a6308dccd58e1a86841a608da49594e28d2b3f0e89539fdfa5.