# initConnection

Initialize connection

## Example

{% tabs %}
{% tab title="Javascript" %}

```javascript
const {Api, TelegramClient} = require('telegram');
const {StringSession} = require('telegram/sessions');

const session = new StringSession('');
const client = new TelegramClient(session, apiId, apiHash, {});

(async function run() {
    const result = await client.invoke(new Api.initConnection({
        apiId: 8925113,
        deviceModel: 'random string here',
        systemVersion: 'random string here',
        appVersion: 'random string here',
        systemLangCode: 'random string here',
        langPack: 'random string here',
        langCode: 'random string here',
        proxy: new Api.InputClientProxy({...}),
        params: new Api.JSONValue({...}),
        query: new Api.!X({...}),
        }));
    console.log(result); // prints the result
})();
```

{% endtab %}

{% tab title="TypeScript" %}

```typescript
import {Api, TelegramClient} from 'telegram';
import {StringSession} from 'telegram/sessions';

const session = new StringSession('');
const client = new TelegramClient(session, apiId, apiHash, {});

(async function run() {
    const result: Api.X = await client.invoke(new Api.initConnection({
        apiId: 8925113,
        deviceModel: 'random string here',
        systemVersion: 'random string here',
        appVersion: 'random string here',
        systemLangCode: 'random string here',
        langPack: 'random string here',
        langCode: 'random string here',
        proxy: new Api.InputClientProxy({...}),
        params: new Api.JSONValue({...}),
        query: new Api.!X({...}),
        }));
    console.log(result); // prints the result
})();
```

{% endtab %}
{% endtabs %}

## TL schema

```
---functions---
initConnection#c1cd5ea9 {X:Type} flags:# api_id:int device_model:string system_version:string app_version:string system_lang_code:string lang_pack:string lang_code:string proxy:flags.0?InputClientProxy params:flags.1?JSONValue query:!X = X;
```

## Parameters

|          Name          | Type                                                                                                                                               | Description                                                                                             |
| :--------------------: | -------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------- |
|        **flags**       | [#](https://core.telegram.org/type/%23)                                                                                                            | Flags, see [TL conditional fields](https://core.telegram.org/mtproto/TL-combinators#conditional-fields) |
|       **api\_id**      | [int](https://core.telegram.org/type/int)                                                                                                          | Application identifier (see. [App configuration](https://core.telegram.org/myapp))                      |
|    **device\_model**   | [string](https://core.telegram.org/type/string)                                                                                                    | Device model                                                                                            |
|   **system\_version**  | [string](https://core.telegram.org/type/string)                                                                                                    | Operation system version                                                                                |
|    **app\_version**    | [string](https://core.telegram.org/type/string)                                                                                                    | Application version                                                                                     |
| **system\_lang\_code** | [string](https://core.telegram.org/type/string)                                                                                                    | Code for the language used on the device's OS, ISO 639-1 standard                                       |
|     **lang\_pack**     | [string](https://core.telegram.org/type/string)                                                                                                    | Language pack to use                                                                                    |
|     **lang\_code**     | [string](https://core.telegram.org/type/string)                                                                                                    | Code for the language used on the client, ISO 639-1 standard                                            |
|        **proxy**       | [flags](https://core.telegram.org/mtproto/TL-combinators#conditional-fields).0?[InputClientProxy](https://core.telegram.org/type/InputClientProxy) | Info about an MTProto proxy                                                                             |
|       **params**       | [flags](https://core.telegram.org/mtproto/TL-combinators#conditional-fields).1?[JSONValue](https://core.telegram.org/type/JSONValue)               | Additional initConnection parameters.                                                                   |

For now, only the tz\_offset field is supported, for specifying timezone offset in seconds.| |**query**|!X|The query itself|

## Result

X

## Possible errors

| Code | Type                       | Description   |
| :--: | -------------------------- | ------------- |
|  400 | CONNECTION\_LAYER\_INVALID | Layer invalid |

## Can bots use this methd ?

### yes

## Related pages


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://painor.gitbook.io/gramjs/miscellaneous/initconnection.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.