<!-- enhance-docs page=reference/cli/canvas/selection -->
<!-- enhance-docs release-sha256=8a804cfc9a6fc6b942b8daf6a82266ad6e308291ae4351abee3346bc696d1258 -->

# enhance-dev canvas selection

```text
enhance-dev canvas selection [options]
```

## Arguments

This command takes no positional arguments.

## Options

| Option | Required | Default | Meaning |
| --- | --- | --- | --- |
| `--canvas-id <string>` | No | None | Canvas id, from `enhance canvas list`. |
| `--json <json>` | No | None | Complete procedure input as JSON; do not combine it with field flags. |
| `--canvas <url-or-id>` | Yes, unless `--canvas-id` | None | Pasted canvas URL or UUID. Selection links limit reads and edits to the linked subtree. Required unless `--canvas-id` is given. |

## Input

This command presents the capability `canvas.selection`. It has read effect and none idempotency.

<details class="reference-schema">
<summary>Show complete input JSON Schema</summary>

```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"]}
```
</details>


## Output

This command writes JSON records to standard output. Returns a typed canvas.selection result from the Enhance API without transport-specific prose.

<details class="reference-schema">
<summary>Show complete output JSON Schema</summary>

```json
{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"canvasId":{"type":"string","format":"uuid","pattern":"^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"},"status":{"type":"string","enum":["selected","none","offline","stale","updating","unsupported"]},"documentVersion":{"type":"integer","exclusiveMinimum":0,"maximum":9007199254740991},"selectionRevision":{"anyOf":[{"type":"integer","exclusiveMinimum":0,"maximum":9007199254740991},{"type":"null"}]},"selectionChangedAt":{"anyOf":[{"type":"string","format":"date-time","pattern":"^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z))$"},{"type":"null"}]},"selectedNodeIds":{"type":"array","items":{"type":"string","minLength":1}},"missingNodeIds":{"type":"array","items":{"type":"string","minLength":1}},"nodes":{"type":"array","items":{"type":"object","properties":{"id":{"type":"string","minLength":1},"label":{"type":"string","maxLength":500},"kind":{"type":"string","minLength":1,"maxLength":100},"parentId":{"anyOf":[{"type":"string","minLength":1},{"type":"null"}]},"childCount":{"type":"integer","minimum":0,"maximum":9007199254740991},"box":{"anyOf":[{"type":"object","properties":{"x":{"type":"number"},"y":{"type":"number"},"width":{"type":"number","exclusiveMinimum":0},"height":{"type":"number","exclusiveMinimum":0}},"required":["x","y","width","height"],"additionalProperties":false},{"type":"null"}]},"propertySections":{"type":"array","items":{"type":"string","enum":["position","layout","clip","cornerRadius","blending","typography","nativeControl","textDecoration","fill","outline","textStroke","border","outerShadow","innerShadow","filters","additionalStyles","vector","export","source"]}}},"required":["id","label","kind","parentId","childCount","box","propertySections"],"additionalProperties":false}},"contextRootId":{"anyOf":[{"type":"string","minLength":1},{"type":"null"}]},"visibleWorldBox":{"anyOf":[{"type":"object","properties":{"x":{"type":"number"},"y":{"type":"number"},"width":{"type":"number","exclusiveMinimum":0},"height":{"type":"number","exclusiveMinimum":0}},"required":["x","y","width","height"],"additionalProperties":false},{"type":"null"}]},"next":{"maxItems":12,"type":"array","items":{"type":"string","minLength":1}}},"required":["canvasId","status","documentVersion","selectionRevision","selectionChangedAt","selectedNodeIds","missingNodeIds","nodes","contextRootId","visibleWorldBox","next"],"additionalProperties":false}
```
</details>


## Examples

```bash
enhance-dev canvas selection --canvas <url-or-id>
```

<details class="reference-schema">
<summary>Show example input</summary>

```json
{
 "canvasId": "00000000-0000-4000-8000-000000000010"
}
```
</details>

<details class="reference-schema">
<summary>Show example output</summary>

```json
{
 "canvasId": "00000000-0000-4000-8000-000000000010",
 "status": "selected",
 "documentVersion": 1,
 "selectionRevision": 1,
 "selectionChangedAt": "2026-08-10T00:00:00.000Z",
 "selectedNodeIds": [],
 "missingNodeIds": [],
 "nodes": [],
 "contextRootId": "x",
 "visibleWorldBox": {
  "x": 0,
  "y": 0,
  "width": 1,
  "height": 1
 },
 "next": []
}
```
</details>

## Exit behaviour

| Exit code | Meaning |
| --- | --- |
| `0` | The command succeeded. |
| `1` | The command failed for another reason (`INTERNAL`). A write may have an unknown outcome. |
| `2` | The command line was malformed. Nothing ran. |
| `3` | The API refused the input (`BAD_REQUEST`). |
| `4` | The credential is missing or expired (`UNAUTHORIZED`). |
| `5` | The API refused the request (`FORBIDDEN`, `NOT_FOUND`, `CONFLICT`, `RATE_LIMITED`). |
| `6` | A batch finished only in part. Retry with the same `--client-token`. |

## Versions

Minimum tested versions: Enhance CLI and MCP runtime 0.1.40, plugin 1.0.38, Node.js 24. No older floor is published.