--- title: messages.getDhConfig description: You cannot use this method directly, instead use $MadelineProto->getDhConfig(); image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Method: messages.getDhConfig [Back to methods index](index.md) You cannot use this method directly, instead use $MadelineProto->getDhConfig(); ### Parameters: | Name | Type | Description | Required | |----------|---------------|-------------|----------| |version|[int](../types/int.md) | You cannot use this method directly, instead use $MadelineProto->getDhConfig(); | Yes| |random\_length|[int](../types/int.md) | You cannot use this method directly, instead use $MadelineProto->getDhConfig(); | Yes| ### Return type: [messages\_DhConfig](../types/messages_DhConfig.md) ### 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(); $messages_DhConfig = $MadelineProto->messages->getDhConfig(['version' => int, 'random_length' => int, ]); ``` Or, if you're into Lua: ```lua messages_DhConfig = messages.getDhConfig({version=int, random_length=int, }) ``` ### Errors | Code | Type | Description | |------|----------|---------------| |400|RANDOM_LENGTH_INVALID|Random length invalid|