diff --git a/latest/modules/third_party_rules_callbacks.html b/latest/modules/third_party_rules_callbacks.html
index da6ae86b87..7d9f8f0aac 100644
--- a/latest/modules/third_party_rules_callbacks.html
+++ b/latest/modules/third_party_rules_callbacks.html
@@ -99,7 +99,7 @@
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+ <ol class="chapter"><li class="chapter-item expanded affix "><li class="part-title">Introduction</li><li class="chapter-item expanded "><a href="../welcome_and_overview.html">Welcome and Overview</a></li><li class="chapter-item expanded affix "><li class="part-title">Setup</li><li class="chapter-item expanded "><a href="../setup/installation.html">Installation</a></li><li class="chapter-item expanded "><a href="../postgres.html">Using Postgres</a></li><li class="chapter-item expanded "><a href="../reverse_proxy.html">Configuring a Reverse Proxy</a></li><li class="chapter-item expanded "><a href="../setup/forward_proxy.html">Configuring a Forward/Outbound Proxy</a></li><li class="chapter-item expanded "><a href="../turn-howto.html">Configuring a Turn Server</a></li><li class="chapter-item expanded "><a href="../delegate.html">Delegation</a></li><li class="chapter-item expanded affix "><li class="part-title">Upgrading</li><li class="chapter-item expanded "><a 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@@ -189,6 +189,7 @@ the module API's <code>register_third_party_rules_callbacks</code> method.</p>
<h2 id="callbacks"><a class="header" href="#callbacks">Callbacks</a></h2>
<p>The available third party rules callbacks are:</p>
<h3 id="check_event_allowed"><a class="header" href="#check_event_allowed"><code>check_event_allowed</code></a></h3>
+<p><em>First introduced in Synapse v1.39.0</em></p>
<pre><code class="language-python">async def check_event_allowed(
event: "synapse.events.EventBase",
state_events: "synapse.types.StateMap",
@@ -216,7 +217,12 @@ that, it is recommended the module calls <code>event.get_dict()</code> to get th
dictionary, and modify the returned dictionary accordingly.</p>
<p>Note that replacing the event only works for events sent by local users, not for events
received over federation.</p>
+<p>If multiple modules implement this callback, they will be considered in order. If a
+callback returns <code>True</code>, Synapse falls through to the next one. The value of the first
+callback that does not return <code>True</code> will be used. If this happens, Synapse will not call
+any of the subsequent implementations of this callback.</p>
<h3 id="on_create_room"><a class="header" href="#on_create_room"><code>on_create_room</code></a></h3>
+<p><em>First introduced in Synapse v1.39.0</em></p>
<pre><code class="language-python">async def on_create_room(
requester: "synapse.types.Requester",
request_content: dict,
@@ -230,7 +236,13 @@ for a list of possible parameters), and a boolean indicating whether the user pe
the request is a server admin.</p>
<p>Modules can modify the <code>request_content</code> (by e.g. adding events to its <code>initial_state</code>),
or deny the room's creation by raising a <code>module_api.errors.SynapseError</code>.</p>
+<p>If multiple modules implement this callback, they will be considered in order. If a
+callback returns without raising an exception, Synapse falls through to the next one. The
+room creation will be forbidden as soon as one of the callbacks raises an exception. If
+this happens, Synapse will not call any of the subsequent implementations of this
+callback.</p>
<h3 id="check_threepid_can_be_invited"><a class="header" href="#check_threepid_can_be_invited"><code>check_threepid_can_be_invited</code></a></h3>
+<p><em>First introduced in Synapse v1.39.0</em></p>
<pre><code class="language-python">async def check_threepid_can_be_invited(
medium: str,
address: str,
@@ -239,7 +251,12 @@ or deny the room's creation by raising a <code>module_api.errors.SynapseError</c
</code></pre>
<p>Called when processing an invite via a third-party identifier (i.e. email or phone number).
The module must return a boolean indicating whether the invite can go through.</p>
+<p>If multiple modules implement this callback, they will be considered in order. If a
+callback returns <code>True</code>, Synapse falls through to the next one. The value of the first
+callback that does not return <code>True</code> will be used. If this happens, Synapse will not call
+any of the subsequent implementations of this callback.</p>
<h3 id="check_visibility_can_be_modified"><a class="header" href="#check_visibility_can_be_modified"><code>check_visibility_can_be_modified</code></a></h3>
+<p><em>First introduced in Synapse v1.39.0</em></p>
<pre><code class="language-python">async def check_visibility_can_be_modified(
room_id: str,
state_events: "synapse.types.StateMap",
@@ -249,6 +266,10 @@ The module must return a boolean indicating whether the invite can go through.</
<p>Called when changing the visibility of a room in the local public room directory. The
visibility is a string that's either "public" or "private". The module must return a
boolean indicating whether the change can go through.</p>
+<p>If multiple modules implement this callback, they will be considered in order. If a
+callback returns <code>True</code>, Synapse falls through to the next one. The value of the first
+callback that does not return <code>True</code> will be used. If this happens, Synapse will not call
+any of the subsequent implementations of this callback.</p>
<h2 id="example"><a class="header" href="#example">Example</a></h2>
<p>The example below is a module that implements the third-party rules callback
<code>check_event_allowed</code> to censor incoming messages as dictated by a third-party service.</p>
|
