# View node output version list

```{raw} html
<div class="mo-api-page-show-toc" aria-hidden="true"></div>
```

Lists the revision records for the specified processing node output block.

```text
GET https://moi.matrixorigin.cn/newmoi/lineage/artifacts/{artifact_id}/nodes/{node_id}/blocks/{block_id}/revisions
```

## Preparation before calling

Prepare a personal access token and target workspace ID that has access to the target workspace.


## Request parameters

::::{div} mo-api-split
:::{div} mo-api-split-main

```{raw} html
<dl class="mo-api-fields">

</dl>
```

:::
:::{div} mo-api-split-aside

```{raw} html
<p class="mo-api-example-label">Request example</p>
```

```bash
curl -X GET "https://moi.matrixorigin.cn/newmoi/lineage/artifacts/$ARTIFACT_ID/nodes/$NODE_ID/blocks/$BLOCK_ID/revisions" \
  -H "X-API-Key: $AI_STUDIO_API_KEY" \
  -H "X-Workspace-ID: $WORKSPACE_ID"
```

:::
::::

## Successful response

When the request is successful, the data of this operation is returned. Just because the write or run request has been accepted does not mean that the subsequent processing has been completed; please confirm the result based on the return status or subsequent query.


The response fields are as follows.

::::{div} mo-api-split
:::{div} mo-api-split-main

```{raw} html
<dl class="mo-api-fields">
  <div class="mo-api-field"><dt><code>data.artifact_id</code><span class="mo-api-field__type">string</span></dt><dd>Product ID.</dd></div>
  <div class="mo-api-field"><dt><code>data.block_id</code><span class="mo-api-field__type">string</span></dt><dd>Output block ID.</dd></div>
  <div class="mo-api-field"><dt><code>data.revisions</code><span class="mo-api-field__type">array</span></dt><dd>The revision record of this output block.</dd></div>
</dl>
```

:::
:::{div} mo-api-split-aside

```{raw} html
<p class="mo-api-example-label">Successful response example</p>
```

```json
{
  "code": "OK",
  "msg": "OK",
  "data": {"artifact_id": "art-001", "node_id": "node-001", "block_id": "block-001", "revisions": []}
}
```

:::
::::

## Error response

::::{div} mo-api-split
:::{div} mo-api-split-main

```{raw} html
<dl class="mo-api-fields">
  <div class="mo-api-field"><dt><code>code</code><span class="mo-api-field__type">string</span></dt><dd>Error code.</dd></div>
  <div class="mo-api-field"><dt><code>msg</code><span class="mo-api-field__type">string</span></dt><dd>Readable error message.</dd></div>
  <div class="mo-api-field"><dt><code>data</code><span class="mo-api-field__type">null</span></dt><dd>`null` in an error response.</dd></div>
</dl>
```

:::
:::{div} mo-api-split-aside

```{raw} html
<p class="mo-api-example-label">Error response example</p>
```

```json
{
  "code": "ErrParamInvalid",
  "msg": "请求参数无效",
  "data": null
}
```

:::
::::