# messages.getMessageReadParticipants

> Get which users read a specific message: only available for groups and supergroups with less than [`chat_read_mark_size_threshold` members](https://core.telegram.org/api/config#chat-read-mark-size-threshold), read receipts will be stored for [`chat_read_mark_expire_period` seconds after the message was sent](https://core.telegram.org/api/config#chat-read-mark-expire-period), see [client configuration for more info »](https://core.telegram.org/api/config#client-configuration).

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Get which users read a specific message: only available for groups and supergroups with less than [`chat_read_mark_size_threshold` members](https://core.telegram.org/api/config#chat-read-mark-size-threshold), read receipts will be stored for [`chat_read_mark_expire_period` seconds after the message was sent](https://core.telegram.org/api/config#chat-read-mark-expire-period), see [client configuration for more info »](https://core.telegram.org/api/config#client-configuration).

### Parameters:

| Name     |    Type       | Description | Required |
|----------|---------------|-------------|----------|
|peer|[Username, chat ID, Update, Message or InputPeer](/API_docs/types/InputPeer.html) | Dialog | Optional|
|msg\_id|[int](/API_docs/types/int.html) | Message ID | Optional|


### Return type: [Vector\_of\_ReadParticipantDate](/API_docs/types/ReadParticipantDate.html)

### Can users use this method: **YES**


### Can bots use this method: **NO**


### Can bots use this method over a business connection with the `businessConnectionId` flag: **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();

$Vector_of_ReadParticipantDate = $MadelineProto->messages->getMessageReadParticipants(peer: $InputPeer, msg_id: $int, );
```