# canvas.selection query read Use when current canvas state is needed before deciding or changing anything. ## 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

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

### Example

Show example input

```json { "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: 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 - Use the returned identifiers and version in the next canvas operation. Compatibility: `8a8a07c87b36f083116aadbfc76cff11c328fd1f0c94e6b4622e45d89115ad41`.