--- title: "invokeAfterMsgs" description: "Invokes a query after a successful completion of previous queries" grand_parent: "Telegram RPC API" parent: "Methods" image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Method: invokeAfterMsgs [Back to methods index](index.html) Invokes a query after a successful completion of previous queries ### Parameters: | Name | Type | Description | Required | |----------|---------------|-------------|----------| |msg\_ids|Array of [long](/API_docs/types/long.html) | List of messages on which a current query depends | Yes| |query|[!X](/API_docs/types/!X.html) | The query itself | Yes| ### Return type: [X](/API_docs/types/X.html) ### 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, ); ```