--- title: invokeAfterMsgs description: Invokes a query after a successfull completion of previous queries image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Method: invokeAfterMsgs [Back to methods index](index.md) Invokes a query after a successfull completion of previous queries ### Parameters: | Name | Type | Description | Required | |----------|---------------|-------------|----------| |msg\_ids|Array of [long](../types/long.md) | List of messages 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->invokeAfterMsgs(['msg_ids' => [long, long], 'query' => !X, ]); ``` Or, if you're into Lua: ```lua X = invokeAfterMsgs({msg_ids={long}, query=!X, }) ```