# Unsubscribe to changes in calendar access control

Invoke this interface in the user's identity to unsubscribe from access control change events under the specified calendar.

**Notice**：The user must have access to the calendar.

## Request

Facts |  
---|---
HTTP URL | https://open.feishu.cn/open-apis/calendar/v4/calendars/:calendar_id/acls/unsubscription
HTTP Method | POST
Rate Limit | [1000 per minute、50 per second](https://open.feishu.cn/document/ukTMukTMukTM/uUzN04SN3QjL1cDN)
Supported app types | Custom App、Store App
Required scopes<br>**To use this API, you must have at least 1 of the listed scopes.**<br>Enable any scope from the list | Update calendar and event information(calendar:calendar)<br>Read calendar ACL(calendar:calendar.acl:read)<br>Obtain calendar, event, and availability information(calendar:calendar:readonly)

### Request header

Parameter | Type | Required | Description
---|---|---|---
Authorization | string | Yes | `user_access_token`<br>**Value format**: "Bearer `access_token`"<br>**Example value**: "Bearer u-7f1bcd13fc57d46bac21793a18e560"<br>[How to choose and get access token](https://open.feishu.cn/document/uAjLw4CM/ugTN1YjL4UTN24CO1UjN/trouble-shooting/how-to-choose-which-type-of-token-to-use)

### Path parameters

Parameter | Type | Description
---|---|---
calendar_id | string | Calendar ID. <br>The calendar ID is returned when a shared calendar is created. You can also call the following interfaces to obtain the ID of a calendar.<br>- [Query primary calendar information](https://open.feishu.cn/document/uAjLw4CM/ukTMukTMukTM/reference/calendar-v4/calendar/primary)<br>- [Query calendar list](https://open.feishu.cn/document/uAjLw4CM/ukTMukTMukTM/reference/calendar-v4/calendar/list)<br>- [Search calendars](https://open.feishu.cn/document/uAjLw4CM/ukTMukTMukTM/reference/calendar-v4/calendar/search)<br>**Example value**: "feishu.cn_xxxxxxxxxx@group.calendar.feishu.cn"

## Response

### Response body

Parameter | Type | Description
---|---|---
code | int | Error codes, fail if not zero
msg | string | Error descriptions
data | \- | \-

### Response body example
```json
{
    "code": 0,
    "msg": "success",
    "data": {}
}
```

### Error code

HTTP status code | Error code | Description | Troubleshooting suggestions
---|---|---|---
400 | 190002 | invalid parameters in request | Invalid request parameters. Troubleshooting suggestions are as follows:<br>- Confirm that the field name and parameter type of the request parameter are correct.<br>- Confirm that the permissions for the corresponding resource have been applied for.<br>- Confirm that the corresponding resource has not been deleted.
500 | 190003 | internal service error | Internal service error, please contact [Technical Support](https://applink.feishu.cn/TLJpeNdW).
429 | 190004 | method rate limited | Method frequency limit. It is recommended to try again later and reduce the request QPS appropriately.
429 | 190005 | app rate limited | Frequency limiting is applied. We recommend that you try again later and reduce the request QPS appropriately.
403 | 190006 | wrong unit for app tenant | Request error. You need to check whether the App ID and App Secret are correct. If the problem is still not solved, please consult [Technical Support](https://applink.feishu.cn/TLJpeNdW).
404 | 190007 | app bot_id not found | The bot_id of the application is not found. You need to make sure that the application has enabled [bot capability](https://open.feishu.cn/document/uAjLw4CM/ugTN1YjL4UTN24CO1UjN/trouble-shooting/how-to-enable-bot-ability). If the problem is still not solved, please contact [technical support](https://applink.feishu.cn/TLJpeNdW).
429 | 190010 | current operation rate limited | The current operation is limited, usually because concurrent preemption of public resources fails. You can appropriately reduce the frequency of the current operation and try again.
404 | 191000 | calendar not found | Calendar not found. You need to check and change to the correct calendar ID.
400 | 191001 | invalid calendar_id | The calendar_id is invalid. You need to check and change it to the correct calendar ID.
403 | 191002 | no calendar access_role | The current identity does not have permission to access the calendar. If you want to query a calendar, you need to ensure that the current identity has permission to access the calendar.
403 | 191003 | calendar is deleted | The calendar has been deleted. You need to check and change to the correct calendar ID.
403 | 191004 | invalid calendar type | The calendar type is incorrect. You can call the [query calendar information](https://open.feishu.cn/document/uAjLw4CM/ukTMukTMukTM/reference/calendar-v4/calendar/get) interface to obtain the calendar type information, and then ensure that the calendar type is applicable to the current interface.
404 | 192000 | acl not found | Access control (ACL) not found. You need to make sure you passed in the correct ACL ID.
404 | 195100 | user is dismiss or not exist in the tenant | The current identity or specified user has resigned or is no longer in the tenant. Please check and change to the correct identity to call the interface.

For more error code information, see [General error codes](https://open.feishu.cn/document/ukTMukTMukTM/ugjM14COyUjL4ITN).