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<meta property="description" content="Get which users read a specific message: only available for groups and supergroups with less than chat_read_mark_size_threshold members, read receipts will be stored for chat_read_mark_expire_period seconds after the message was sent, see client configuration for more info ».">
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<meta property="og:description" content="Get which users read a specific message: only available for groups and supergroups with less than chat_read_mark_size_threshold members, read receipts will be stored for chat_read_mark_expire_period seconds after the message was sent, see client configuration for more info ».">
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<h1 id="dev_page_title">messages.getMessageReadParticipants</h1>
<div id="dev_page_content"><p>Get which users read a specific message: only available for groups and supergroups with less than <code>chat_read_mark_size_threshold</code> members, read receipts will be stored for <code>chat_read_mark_expire_period</code> seconds after the message was sent, see <a href="/api/config#client-configuration">client configuration for more info »</a>.</p>
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<li><a href="?layer=1">1 – Base layer</a></li><li><a href="?layer=2">2 – New userpic notifications</a></li><li><a href="?layer=3">3 – Send message can trigger link change</a></li><li><a href="?layer=4">4 – Check-in chats</a></li><li><a href="?layer=5">5 – Localized SMS, localized notifications</a></li><li><a href="?layer=6">6 – Foursquare integration</a></li><li><a href="?layer=7">7 – Added wallPaperSolid</a></li><li><a href="?layer=8">8 – Added end-to-end encryption</a></li><li><a href="?layer=9">9 – Improved big files upload perfomance</a></li><li><a href="?layer=10">10 – Improved chat participants updates</a></li><li><a href="?layer=11">11 – Improved secret chats</a></li><li><a href="?layer=12">12 – New dynamic support</a></li><li><a href="?layer=13">13 – Audio, video MIME; contacts import retry; new secret actions</a></li><li><a href="?layer=14">14 – Notify settings sync, blacklist sync</a></li><li><a href="?layer=15">15 – Modified getHistory offset behaviour</a></li><li><a href="?layer=16">16 – Split sendCode into 2 parts</a></li><li><a href="?layer=17">17 – Added custom typing, introduced message flags</a></li><li><a href="?layer=18">18 – Added usernames</a></li><li><a href="?layer=23">23 – Stickers for secret chats</a></li><li><a href="?layer=105">105 – Scheduled messages, Cloud themes</a></li><li><a href="?layer=108">108 – Login with QR code</a></li><li><a href="?layer=109">109 – Polls v2</a></li><li><a href="?layer=110">110 – People Nearby 2.0, Bank card entity</a></li><li><a href="?layer=111">111 – Folders, Broadcast Stats</a></li><li><a href="?layer=112">112 – Old featured stickers, generic dice, poll timer, poll solution</a></li><li><a href="?layer=113">113 – PSA</a></li><li><a href="?layer=114">114 – Video thumbs for GIFs</a></li><li><a href="?layer=115">115 – Peek Channel Invite</a></li><li><a href="?layer=116">116 – Group Stats, Profile Videos</a></li><li><a href="?layer=117">117 – WebRTC Phone Calls</a></li><li><a href="?layer=118">118 – Callback with 2FA, Countries list</a></li><li><a href="?layer=119">119 – Comments in channels, Threads, Anonymous Admins</a></li><li><a href="?layer=120">120 – Multipins, Message Stats, GeoLive v2</a></li><li><a href="?layer=121">121 – SVG-based Outlines for Stickers</a></li><li><a href="?layer=122">122 – Voice Chats</a></li><li><a href="?layer=123">123 – Voice Chat improvements</a></li><li><a href="?layer=124">124 – Expiring Invite links</a></li><li><a href="?layer=125">125 – Voice Chats in Broadcasts</a></li><li><a href="?layer=126">126 – Ban channels in channels</a></li><li><a href="?layer=127">127 – Payments in channels</a></li><li><a href="?layer=128">128 – Microthumbs for User/Chat profile photos</a></li><li><a href="?layer=129">129 – Video Chats</a></li><li><a href="?layer=130">130 – Custom placeholder for bot reply keyboards</a></li><li><a href="?layer=131">131 – Reset 2FA Password after a week</a></li><li><a href="?layer=132">132 – Chat themes</a></li><li><a href="?layer=133">133 – 64-bit IDs for User/Chat</a></li><li><a href="?layer=134">134 – Chat Requests, Shared Media Calendar</a></li><li><a href="?layer=135">135 – Send Message As a Channel</a></li><li><a href="?layer=136">136 – Reactions</a></li><li><a href="?layer=137">137 – Translations</a></li><li><a href="?layer=138">138 – GIF Sticker Packs</a></li><li><a href="?layer=139"><strong>139 – RTMP streaming</strong></a></li>
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<pre class="page_scheme"><code>---functions---
<a href="/method/messages.getMessageReadParticipants" class="current_page_link" >messages.getMessageReadParticipants</a>#2c6f97b7 peer:<a href="/type/InputPeer" >InputPeer</a> msg_id:<a href="/type/int" >int</a> = <a href="/type/Vector%20t" >Vector</a><<a href="/type/long" >long</a>>;</code></pre></p>
<h3><a class="anchor" href="#parameters" id="parameters" name="parameters"><i class="anchor-icon"></i></a>Parameters</h3>
<table class="table">
<thead>
<tr>
<th>Name</th>
<th style="text-align: center;">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>peer</strong></td>
<td style="text-align: center;"><a href="/type/InputPeer">InputPeer</a></td>
<td>Dialog</td>
</tr>
<tr>
<td><strong>msg_id</strong></td>
<td style="text-align: center;"><a href="/type/int">int</a></td>
<td>Message ID</td>
</tr>
</tbody>
</table>
<h3><a class="anchor" href="#result" id="result" name="result"><i class="anchor-icon"></i></a>Result</h3>
<p><a href="/type/Vector%20t">Vector</a><<a href="/type/long">long</a>></p>
<h3><a class="anchor" href="#possible-errors" id="possible-errors" name="possible-errors"><i class="anchor-icon"></i></a>Possible errors</h3>
<table class="table">
<thead>
<tr>
<th>Code</th>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>400</td>
<td>CHAT_TOO_BIG</td>
2022-03-04 21:53:58 +01:00
<td>This method is not available for groups with more than <code>chat_read_mark_size_threshold</code> members, <a href="/api/config#client-configuration">see client configuration »</a>.</td>
2022-02-23 16:30:26 +01:00
</tr>
</tbody>
</table>
<h3><a class="anchor" href="#related-pages" id="related-pages" name="related-pages"><i class="anchor-icon"></i></a>Related pages</h3>
<h4><a class="anchor" href="#client-configuration" id="client-configuration" name="client-configuration"><i class="anchor-icon"></i></a><a href="/api/config">Client configuration</a></h4>
<p>The MTProto API has multiple configuration parameters that can be fetched with the appropriate methods.</p></div>
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