--- title: invokeAfterMsg description: Invokes a query after successfull completion of one of the previous queries. image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Method: invokeAfterMsg [Back to methods index](index.md) Invokes a query after successfull completion of one of the previous queries. ### Parameters: | Name | Type | Description | Required | |----------|---------------|-------------|----------| |msg\_id|[long](../types/long.md) | Message identifier on which a current query depends | Yes| |query|[!X](../types/!X.md) | The query itself | Yes| ### Return type: [X](../types/X.md) ### Can bots use this method: **YES** ### 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(); $X = $MadelineProto->invokeAfterMsg(['msg_id' => long, 'query' => !X, ]); ``` Or, if you're into Lua: ```lua X = invokeAfterMsg({msg_id=long, query=!X, }) ```