MadelineProtoDocs/old_docs/API_docs_v40/methods/initConnection.md

title	description	image
initConnection	Initializes connection and save information on the user's device and application.	https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png

Method: initConnection

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Initializes connection and save information on the user's device and application.

Parameters:

Name	Type	Description	Required
api_id	int	Application identifier	Yes
device_model	string	Device model	Yes
system_version	string	System version	Yes
app_version	string	App version	Yes
lang_code	string	Language code to set	Yes
query	!X	Nested query	Yes

Return type: X

Can bots use this method: YES

MadelineProto Example (now async for huge speed and parallelism!):

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->initConnection(['api_id' => int, 'device_model' => 'string', 'system_version' => 'string', 'app_version' => 'string', 'lang_code' => 'string', 'query' => !X, ]);

Or, if you're into Lua:

X = initConnection({api_id=int, device_model='string', system_version='string', app_version='string', lang_code='string', query=!X, })

Errors this method can return:

Error	Description
CONNECTION_LAYER_INVALID	Layer invalid
INPUT_FETCH_FAIL	Failed deserializing TL payload