diff --git a/input/examples/Observation-example.xml b/input/examples/Observation-example.xml
index 4d3b719..dcf5bf1 100644
--- a/input/examples/Observation-example.xml
+++ b/input/examples/Observation-example.xml
@@ -11,6 +11,9 @@ test comment for display
     <profile value="http://somewhere.org/fhir/uv/myig/StructureDefinition/myObservation"/>
   </meta>
   <status value="final"/>
+  <subject>
+    <reference value="http://somewhere.else.org/pas/server/Patient/example"/>
+  </subject>
   <code>
     <coding>
       <system value="http://somewhere.org/fhir/uv/myig/CodeSystem/cs-fake"/>
diff --git a/input/myig.xml b/input/myig.xml
index 0a7b0bf..e13d2e5 100644
--- a/input/myig.xml
+++ b/input/myig.xml
@@ -83,6 +83,9 @@
 </reference>
 </resource> -->
     <resource>
+      <extension url="http://hl7.org/fhir/tools/StructureDefinition/ig-example-actor">
+        <valueCanonical value="http://somewhere.org/fhir/uv/myig/ActorDefinition/example"/>
+      </extension>
       <reference>
         <reference value="Patient/example"/>
       </reference>
diff --git a/input/resources/ActorDefinition-example.json b/input/resources/ActorDefinition-example.json
new file mode 100644
index 0000000..427f943
--- /dev/null
+++ b/input/resources/ActorDefinition-example.json
@@ -0,0 +1,15 @@
+{
+  "resourceType" : "ActorDefinition",
+  "id" : "example",
+  "extension" : [{
+    "url" : "http://hl7.org/fhir/tools/StructureDefinition/ig-actor-example-url",
+    "valueUrl" : "http://somewhere.else.org/pas/server"
+  }],
+  "url" : "http://somewhere.org/fhir/uv/myig/ActorDefinition/example",
+  "name" : "ExampleServer",
+  "title" : "Example Server",
+  "status" : "active",
+  "date" : "2021-11-02T14:31:30.239Z",
+  "description" : "Client Actor",
+  "type" : "system"
+}
\ No newline at end of file