> For the complete documentation index, see [llms.txt](https://painor.gitbook.io/gramjs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://painor.gitbook.io/gramjs/working-with-notification-settings/account.updatedevicelocked.md).

# account.updateDeviceLocked

When client-side passcode lock feature is enabled, will not show message texts in incoming [PUSH notifications](https://core.telegram.org/api/push-updates).

## Example

{% tabs %}
{% tab title="Javascript" %}

```javascript
const {Api, TelegramClient} = require('telegram');
const {StringSession} = require('telegram/sessions');

const session = new StringSession('');
const client = new TelegramClient(session, apiId, apiHash, {});

(async function run() {
    const result = await client.invoke(new Api.account.updateDeviceLocked({
        period: 5878955,
        }));
    console.log(result); // prints the result
})();
```

{% endtab %}

{% tab title="TypeScript" %}

```typescript
import {Api, TelegramClient} from 'telegram';
import {StringSession} from 'telegram/sessions';

const session = new StringSession('');
const client = new TelegramClient(session, apiId, apiHash, {});

(async function run() {
    const result: Api.Bool = await client.invoke(new Api.account.updateDeviceLocked({
        period: 5878955,
        }));
    console.log(result); // prints the result
})();
```

{% endtab %}
{% endtabs %}

## TL schema

```
boolFalse#bc799737 = Bool;
boolTrue#997275b5 = Bool;
---functions---
account.updateDeviceLocked#38df3532 period:int = Bool;
```

## Parameters

|    Name    | Type                                      | Description                                                                                                                      |
| :--------: | ----------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------- |
| **period** | [int](https://core.telegram.org/type/int) | Inactivity period after which to start hiding message texts in [PUSH notifications](https://core.telegram.org/api/push-updates). |

## Result

[Bool](https://core.telegram.org/type/Bool)

## Possible errors

| Code | Type | Description |
| :--: | ---- | ----------- |

## Can bots use this methd ?

### yes

## Related pages

### [Handling PUSH-notifications](https://core.telegram.org/api/push-updates)

How to subscribe to and handle PUSH notifications


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://painor.gitbook.io/gramjs/working-with-notification-settings/account.updatedevicelocked.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
