diff --git a/staging/ext-image-capture-source/ext-image-capture-source-v1.xml b/staging/ext-image-capture-source/ext-image-capture-source-v1.xml
index b31a5da..217d872 100644
--- a/staging/ext-image-capture-source/ext-image-capture-source-v1.xml
+++ b/staging/ext-image-capture-source/ext-image-capture-source-v1.xml
@@ -106,4 +106,30 @@
       </description>
     </request>
   </interface>
+
+  <interface name="ext_region_image_capture_source_manager_v1" version="1">
+    <description summary="image capture source manager for regions">
+      A manager for creating image capture source objects for a specified region.
+    </description>
+
+    <request name="create_source">
+      <description summary="create source object for region">
+        Creates a source object for a region. Images captured from this source
+        will show the content within the specified logical region.
+      </description>
+      <arg name="source" type="new_id" interface="ext_image_capture_source_v1"/>
+      <arg name="x" type="int" summary="Logical left position"/>
+      <arg name="y" type="int" summary="Logical top position"/>
+      <arg name="width" type="uint" summary="Logical width resolution"/>
+      <arg name="height" type="uint" summary="Logical height resolution"/>
+    </request>
+
+    <request name="destroy" type="destructor">
+      <description summary="delete this object">
+        Destroys the manager. This request may be sent at any time by the client
+        and objects created by the manager will remain valid after its
+        destruction.
+      </description>
+    </request>
+  </interface>
 </protocol>