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authoranoadragon453 <anoadragon453@users.noreply.github.com>2021-09-14 10:02:07 +0000
committeranoadragon453 <anoadragon453@users.noreply.github.com>2021-09-14 10:02:07 +0000
commit4a0eb4d951361d77ef726bdee1df86ad328bdc5a (patch)
tree5da27f7f14e87fb76ed7e59f7c9431c2461acda4 /v1.43/server_notices.html
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downloadsynapse-4a0eb4d951361d77ef726bdee1df86ad328bdc5a.tar.xz
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+<!DOCTYPE HTML>
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+                        <h1 id="server-notices"><a class="header" href="#server-notices">Server Notices</a></h1>
+<p>'Server Notices' are a new feature introduced in Synapse 0.30. They provide a
+channel whereby server administrators can send messages to users on the server.</p>
+<p>They are used as part of communication of the server polices (see
+<a href="consent_tracking.html">Consent Tracking</a>), however the intention is that
+they may also find a use for features such as &quot;Message of the day&quot;.</p>
+<p>This is a feature specific to Synapse, but it uses standard Matrix
+communication mechanisms, so should work with any Matrix client.</p>
+<h2 id="user-experience"><a class="header" href="#user-experience">User experience</a></h2>
+<p>When the user is first sent a server notice, they will get an invitation to a
+room (typically called 'Server Notices', though this is configurable in
+<code>homeserver.yaml</code>). They will be <strong>unable to reject</strong> this invitation -
+attempts to do so will receive an error.</p>
+<p>Once they accept the invitation, they will see the notice message in the room
+history; it will appear to have come from the 'server notices user' (see
+below).</p>
+<p>The user is prevented from sending any messages in this room by the power
+levels.</p>
+<p>Having joined the room, the user can leave the room if they want. Subsequent
+server notices will then cause a new room to be created.</p>
+<h2 id="synapse-configuration"><a class="header" href="#synapse-configuration">Synapse configuration</a></h2>
+<p>Server notices come from a specific user id on the server. Server
+administrators are free to choose the user id - something like <code>server</code> is
+suggested, meaning the notices will come from
+<code>@server:&lt;your_server_name&gt;</code>. Once the Server Notices user is configured, that
+user id becomes a special, privileged user, so administrators should ensure
+that <strong>it is not already allocated</strong>.</p>
+<p>In order to support server notices, it is necessary to add some configuration
+to the <code>homeserver.yaml</code> file. In particular, you should add a <code>server_notices</code>
+section, which should look like this:</p>
+<pre><code class="language-yaml">server_notices:
+   system_mxid_localpart: server
+   system_mxid_display_name: &quot;Server Notices&quot;
+   system_mxid_avatar_url: &quot;mxc://server.com/oumMVlgDnLYFaPVkExemNVVZ&quot;
+   room_name: &quot;Server Notices&quot;
+</code></pre>
+<p>The only compulsory setting is <code>system_mxid_localpart</code>, which defines the user
+id of the Server Notices user, as above. <code>room_name</code> defines the name of the
+room which will be created.</p>
+<p><code>system_mxid_display_name</code> and <code>system_mxid_avatar_url</code> can be used to set the
+displayname and avatar of the Server Notices user.</p>
+<h2 id="sending-notices"><a class="header" href="#sending-notices">Sending notices</a></h2>
+<p>To send server notices to users you can use the
+<a href="admin_api/server_notices.html">admin_api</a>.</p>
+
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