> ## Documentation Index
> Fetch the complete documentation index at: https://docs.memorylake.cn/llms.txt
> Use this file to discover all available pages before exploring further.

# 获取用户组

> 返回一个用户组

```
GET /openapi/memorylake/admin/v1/access-groups/{group_id}
```

返回一个用户组。`ETag` 头覆盖该用户组的权限列表——将其放入 `If-Match` 发送，即可使[设置用户组权限](/features/memorylake/api-reference/access-control/set-access-group-permissions)成为条件写入。

<Note>
  **所需权限：** `access_group:view`
</Note>

### 路径参数

<ParamField path="group_id" type="string" required>
  标识符
</ParamField>

<RequestExample>
  ```bash cURL theme={null}
  curl -X GET 'https://app.memorylake.cn/openapi/memorylake/admin/v1/access-groups/7013fb5c15cfb29411f040967354b8a3' \
    -H 'Authorization: Bearer sk_xxxxxx'
  ```
</RequestExample>

### 响应

<ResponseField name="data" type="object">
  <Expandable title="Access Group 对象">
    <ResponseField name="created_at" type="integer">Unix 秒级时间戳</ResponseField>
    <ResponseField name="created_by" type="string">创建者的 `principal_id`</ResponseField>
    <ResponseField name="group_id" type="string">标识符</ResponseField>
    <ResponseField name="member_count" type="integer">成员数</ResponseField>
    <ResponseField name="name" type="string">显示名称</ResponseField>

    <ResponseField name="permissions" type="array">
      用户组在其基础角色或基础用户组之上额外授予的权限

      <Expandable title="Access Group Permission 对象">
        <ResponseField name="action" type="string">操作</ResponseField>
        <ResponseField name="resource_type" type="string">资源类型（参见 `GET /permission-catalog?grantable_to=access_group`）</ResponseField>
      </Expandable>
    </ResponseField>

    <ResponseField name="updated_at" type="integer">Unix 秒级时间戳</ResponseField>
    <ResponseField name="base_access_group_id" type="string">该用户组授予此另一用户组所授予的全部权限。创建时确定，之后不可更改。</ResponseField>
    <ResponseField name="base_role_key" type="string">该用户组授予此角色（`tenant_member` 或 `tenant_admin`）所授予的全部权限。创建时确定，之后不可更改。</ResponseField>
    <ResponseField name="description" type="string">描述</ResponseField>

    <ResponseField name="scope_summary" type="array">
      用户组开放访问的实例，按资源类型计数

      <Expandable title="Access Group Scope Count 对象">
        <ResponseField name="instance_count" type="integer">用户组向其成员开放访问的此类型实例</ResponseField>
        <ResponseField name="resource_type" type="string">资源类型</ResponseField>
      </Expandable>
    </ResponseField>
  </Expandable>
</ResponseField>

<ResponseExample>
  ```json Success (200) theme={null}
  {
    "success": true,
    "message": "Operation completed successfully",
    "data": {
      "created_at": 1760000000,
      "created_by": "example",
      "group_id": "6f8976043c3a1d0040a5853315a3c843",
      "member_count": 1,
      "name": "Example name",
      "permissions": [
        {
          "action": "example",
          "resource_type": "example"
        }
      ],
      "updated_at": 1760000000,
      "base_access_group_id": "d62d704744ca464eeee07a49ef8c2877",
      "base_role_key": "tenant_member",
      "description": "Example description",
      "scope_summary": [
        {
          "instance_count": 1,
          "resource_type": "example"
        }
      ]
    }
  }
  ```
</ResponseExample>


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