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

# enhance-dev canvas delete-permanently

```text
enhance-dev canvas delete-permanently [options]
```

## Arguments

This command takes no positional arguments.

## Options

| Option | Required | Default | Meaning |
| --- | --- | --- | --- |
| `--canvas-id <string>` | Yes | None | Canvas id, from `enhance canvas list`. |
| `--confirmation <string>` | Yes | None | Exact canvas title returned by `enhance canvas list --deleted true`. |
| `--json <json>` | No | None | Complete procedure input as JSON; do not combine it with field flags. |
| `--client-token <uuid>` | No | None | Stable UUID to reuse when retrying the exact same mutation. |

## Input

This command presents the capability `canvas.deletePermanently`. It has delete effect and single idempotency.

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

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


## Output

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

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

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


## Examples

```bash
enhance-dev canvas delete-permanently --canvas-id <string> --confirmation <string>
```

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

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

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

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