--- title: messages.sendEncryptedFile description: Sends a message with a file attachment to a secret chat image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png redirect_from: /API_docs/methods/messages_sendEncryptedFile.html --- # Method: messages.sendEncryptedFile [Back to methods index](index.md) Sends a message with a file attachment 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| |file|[File path or InputEncryptedFile](../types/InputEncryptedFile.md) | File attachment for the secret chat | Optional| ### 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->sendEncryptedFile(['peer' => InputEncryptedChat, 'data' => 'bytes', 'file' => InputEncryptedFile, ]); ``` Or, if you're into Lua: ```lua messages.SentEncryptedMessage = messages.sendEncryptedFile({peer=InputEncryptedChat, data='bytes', file=InputEncryptedFile, }) ``` ### Errors | Code | Type | Description | |------|----------|---------------| |400|DATA_TOO_LONG|Data too long| |400|MD5_CHECKSUM_INVALID|The MD5 checksums do not match| |400|MSG_WAIT_FAILED|A waiting call returned an error|