diff --git a/sharepoint/api/src/main/resources/xsd/lists.xsd b/sharepoint/api/src/main/resources/xsd/lists.xsd
index f694227..872b74c 100644
--- a/sharepoint/api/src/main/resources/xsd/lists.xsd
+++ b/sharepoint/api/src/main/resources/xsd/lists.xsd
@@ -28,6 +28,7 @@
             <xs:attribute name="Direction" use="required" type="xs:string"/>
             <xs:attribute name="DocTemplateUrl" use="required"/>
             <xs:attribute name="EmailAlias" use="required"/>
+            <xs:attribute name="EnableAssignedToEmail" use="optional" type="xs:string"/>
             <xs:attribute name="EnableAttachments" use="required" type="xs:string"/>
             <xs:attribute name="EnableFolderCreation" use="required" type="xs:string"/>
             <xs:attribute name="EnableMinorVersion" use="required" type="xs:string"/>