--- title: messages.getDhConfig description: messages.getDhConfig parameters, return type and example --- ## Method: messages.getDhConfig [Back to methods index](index.md) ### Parameters: | Name | Type | Required | |----------|---------------|----------| |version|[int](../types/int.md) | Yes| |random\_length|[int](../types/int.md) | Yes| ### Return type: [messages\_DhConfig](../types/messages_DhConfig.md) ### Can bots use this method: **NO** ### Errors this method can return: | Error | Description | |----------|---------------| |RANDOM_LENGTH_INVALID|Random length invalid| ### Example: ``` $MadelineProto = new \danog\MadelineProto\API(); if (isset($number)) { // Login as a user $sentCode = $MadelineProto->phone_login($number); echo 'Enter the code you received: '; $code = ''; for ($x = 0; $x < $sentCode['type']['length']; $x++) { $code .= fgetc(STDIN); } $MadelineProto->complete_phone_login($code); } $messages_DhConfig = $MadelineProto->messages->getDhConfig(['version' => int, 'random_length' => int, ]); ``` Or, if you're using the [PWRTelegram HTTP API](https://pwrtelegram.xyz): ### As a user: POST/GET to `https://api.pwrtelegram.xyz/userTOKEN/messages.getDhConfig` Parameters: version - Json encoded int random_length - Json encoded int Or, if you're into Lua: ``` messages_DhConfig = messages.getDhConfig({version=int, random_length=int, }) ```