MadelineProto/old_docs/API_docs_v44/methods/initConnection.md
2017-12-11 12:12:38 +01:00

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---
title: initConnection
description: initConnection parameters, return type and example
---
## Method: initConnection
[Back to methods index](index.md)
### Parameters:
| Name | Type | Required |
|----------|---------------|----------|
|api\_id|[int](../types/int.md) | Yes|
|device\_model|[string](../types/string.md) | Yes|
|system\_version|[string](../types/string.md) | Yes|
|app\_version|[string](../types/string.md) | Yes|
|lang\_code|[string](../types/string.md) | Yes|
|query|[!X](../types/!X.md) | Yes|
### Return type: [X](../types/X.md)
### Can bots use this method: **YES**
### Errors this method can return:
| Error | Description |
|----------|---------------|
|CONNECTION_LAYER_INVALID|Layer invalid|
|INPUT_FETCH_FAIL|Failed deserializing TL payload|
### Example:
```
$MadelineProto = new \danog\MadelineProto\API();
$MadelineProto->session = 'mySession.madeline';
if (isset($token)) { // Login as a bot
$MadelineProto->bot_login($token);
}
if (isset($number)) { // Login as a user
$MadelineProto->phone_login($number);
$code = readline('Enter the code you received: '); // Or do this in two separate steps in an HTTP API
$MadelineProto->complete_phone_login($code);
}
$X = $MadelineProto->initConnection(['api_id' => int, 'device_model' => 'string', 'system_version' => 'string', 'app_version' => 'string', 'lang_code' => 'string', 'query' => !X, ]);
```
Or, if you're using the [PWRTelegram HTTP API](https://pwrtelegram.xyz):
### As a bot:
POST/GET to `https://api.pwrtelegram.xyz/botTOKEN/madeline`
Parameters:
* method - initConnection
* params - `{"api_id": int, "device_model": "string", "system_version": "string", "app_version": "string", "lang_code": "string", "query": !X, }`
### As a user:
POST/GET to `https://api.pwrtelegram.xyz/userTOKEN/initConnection`
Parameters:
api_id - Json encoded int
device_model - Json encoded string
system_version - Json encoded string
app_version - Json encoded string
lang_code - Json encoded string
query - Json encoded !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, })
```