MadelineProtoDocs/old_docs/API_docs_v45/methods/messages.sendEncryptedService.md
2019-12-27 18:46:25 +01:00

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---
title: messages.sendEncryptedService
description: Sends a service message to a secret chat.
image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
redirect_from: /API_docs/methods/messages_sendEncryptedService.html
---
# Method: messages.sendEncryptedService
[Back to methods index](index.md)
Sends a service message to a secret chat.
### Parameters:
| Name | Type | Description | Required |
|----------|---------------|-------------|----------|
|peer|[Secret chat ID, Update, EncryptedMessage or InputEncryptedChat](../types/InputEncryptedChat.md) | Secret chat ID | Yes|
|data|[bytes](../types/bytes.md) | TL-serialization of [DecryptedMessage](../types/DecryptedMessage.md) type, encrypted with a key generated during chat initialization | Yes|
### Return type: [messages.SentEncryptedMessage](../types/messages.SentEncryptedMessage.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.SentEncryptedMessage = $MadelineProto->messages->sendEncryptedService(['peer' => InputEncryptedChat, 'data' => 'bytes', ]);
```
Or, if you're into Lua:
```lua
messages.SentEncryptedMessage = messages.sendEncryptedService({peer=InputEncryptedChat, data='bytes', })
```
### Errors
| Code | Type | Description |
|------|----------|---------------|
|400|DATA_INVALID|Encrypted data invalid|
|400|ENCRYPTION_DECLINED|The secret chat was declined|
|400|MSG_WAIT_FAILED|A waiting call returned an error|
|403|USER_IS_BLOCKED|You were blocked by this user|