diff --git a/xep-0494.xml b/xep-0494.xml
index 534a54017..11d85d675 100644
--- a/xep-0494.xml
+++ b/xep-0494.xml
@@ -16,11 +16,18 @@
 <supersedes/>
 <supersededby/>
 <shortname>cam</shortname>
-<author>
-<firstname>Matthew</firstname>
-<surname>Wild</surname>
-<email>mwild1@gmail.com</email>
-</author>
+&mwild;
+  <revision>
+    <version>0.1.1</version>
+    <date>2026-01-11</date>
+    <initials>egp</initials>
+    <remark>
+      <ul>
+        <li>Add the XML schema.</li>
+        <li>Declare the namespace to the registrar.</li>
+      </ul>
+    </remark>
+  </revision>
 <revision>
     <version>0.1.0</version>
     <date>2024-09-17</date>
@@ -207,8 +214,108 @@ keep client session information for no longer than necessary.</p>
 
 </section1><section1 topic="XMPP Registrar Considerations" anchor="registrar">
 
-<p>None.</p>
+<p>This specification defines the following XML namespace:</p>
+<ul>
+  <li>urn:xmpp:cam:0</li>
+</ul>
 
+</section1><section1 topic='XML Schema' anchor='schema'>
+<code><![CDATA[<?xml version='1.0' encoding='UTF-8'?>
+
+<xs:schema
+    xmlns:xs='http://www.w3.org/2001/XMLSchema'
+    xmlns='urn:xmpp:cam:0'
+    targetNamespace='urn:xmpp:cam:0'
+    elementFormDefault='qualified'>
+
+  <xs:annotation>
+    <xs:documentation>
+      The protocol documented by this schema is defined in
+      XEP-0494: https://xmpp.org/extensions/xep-0494.html
+    </xs:documentation>
+  </xs:annotation>
+
+  <xs:element name='list' type='empty'/>
+
+  <xs:element name='clients'>
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref='client' minOccurs='0' maxOccurs='unbounded'/>
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+
+  <xs:element name='revoke'>
+    <xs:complexType>
+      <xs:attribute name='id' type='xs:string' use='required'/>
+    </xs:complexType>
+  </xs:element>
+
+  <xs:element name='password-reset-required' type='empty'/>
+
+  <xs:element name='client'>
+    <xs:complexType>
+      <xs:all>
+        <xs:element name='first-seen' type='xs:dateTime' minOccurs='0'/>
+        <xs:element name='last-seen' type='xs:dateTime' minOccurs='0'/>
+        <xs:element ref='user-agent'/>
+        <xs:element ref='auth'/>
+        <xs:element ref='permission'/>
+      </xs:all>
+      <xs:attribute name='connected' type='xs:boolean' use='required'/>
+      <xs:attribute name='id' type='xs:string' use='required'/>
+      <xs:attribute name='type' use='required'>
+        <xs:simpleType>
+          <xs:restriction base='xs:string'>
+            <xs:enumeration value='session'/>
+            <xs:enumeration value='access'/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+
+  <xs:element name='user-agent'>
+    <xs:complexType>
+      <xs:all>
+        <xs:element name='software'/>
+        <xs:element name='uri' minOccurs='0'/>
+        <xs:element name='device' minOccurs='0'/>
+      </xs:all>
+    </xs:complexType>
+  </xs:element>
+
+  <xs:element name='auth'>
+    <xs:complexType>
+      <xs:all>
+        <xs:element name='password' type='empty' minOccurs='0'/>
+        <xs:element name='grant' type='empty' minOccurs='0'/>
+        <xs:element name='fast' type='empty' minOccurs='0'/>
+      </xs:all>
+    </xs:complexType>
+  </xs:element>
+
+  <xs:element name='permission'>
+    <xs:complexType>
+      <xs:attribute name='status' use='required'>
+        <xs:simpleType>
+          <xs:restriction base='xs:string'>
+            <xs:enumeration value='unrestricted'/>
+            <xs:enumeration value='normal'/>
+            <xs:enumeration value='restricted'/>
+          </xs:restriction>
+        </xs:simpleType>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+
+  <xs:simpleType name='empty'>
+    <xs:restriction base='xs:string'>
+      <xs:enumeration value=''/>
+    </xs:restriction>
+  </xs:simpleType>
+
+</xs:schema>]]></code>
 </section1><section1 topic="Acknowledgements" anchor="acknowledgements">
 
 <p>Thanks to Kim Alvefur for assisting in the review of this protocol, and the