--- title: "account.updateDeviceLocked" description: "When client-side passcode lock feature is enabled, will not show message texts in incoming [PUSH notifications](https://core.telegram.org/api/push-updates)." grand_parent: "Telegram RPC API" parent: "Methods" image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png redirect_from: /API_docs/methods/account_updateDeviceLocked.html --- # Method: account.updateDeviceLocked [Back to methods index](index.html) When client-side passcode lock feature is enabled, will not show message texts in incoming [PUSH notifications](https://core.telegram.org/api/push-updates). ### Parameters: | Name | Type | Description | Required | |----------|---------------|-------------|----------| |period|[int](/API_docs/types/int.html) | Inactivity period after which to start hiding message texts in [PUSH notifications](https://core.telegram.org/api/push-updates). | Optional| ### Return type: [Bool](/API_docs/types/Bool.html) ### Can bots use this method: **NO** ### MadelineProto Example ([now async for huge speed and parallelism!](https://docs.madelineproto.xyz/docs/ASYNC.html)): ```php if (!file_exists('madeline.php')) { copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php'); } include 'madeline.php'; $MadelineProto = new \danog\MadelineProto\API('session.madeline'); $MadelineProto->start(); $Bool = $MadelineProto->account->updateDeviceLocked(period: $int, ); ```