diff --git a/partial-response/etc/partial-response.ucls b/partial-response/etc/partial-response.ucls
new file mode 100644
index 000000000..a0b029496
--- /dev/null
+++ b/partial-response/etc/partial-response.ucls
@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<class-diagram version="1.2.1" icons="true" always-add-relationships="false" generalizations="true" realizations="true" 
+  associations="true" dependencies="false" nesting-relationships="true" router="FAN">  
+  <class id="1" language="java" name="com.iluwatar.partialresponse.Video" project="partial-response" 
+    file="/partial-response/src/main/java/com/iluwatar/partialresponse/Video.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="322" y="457"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <class id="2" language="java" name="com.iluwatar.partialresponse.FieldJsonMapper" project="partial-response" 
+    file="/partial-response/src/main/java/com/iluwatar/partialresponse/FieldJsonMapper.java" binary="false" 
+    corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="772" y="412"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <class id="3" language="java" name="com.iluwatar.partialresponse.VideoClientApp" project="partial-response" 
+    file="/partial-response/src/main/java/com/iluwatar/partialresponse/VideoClientApp.java" binary="false" 
+    corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="215" y="125"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <class id="4" language="java" name="com.iluwatar.partialresponse.VideoResource" project="partial-response" 
+    file="/partial-response/src/main/java/com/iluwatar/partialresponse/VideoResource.java" binary="false" 
+    corner="BOTTOM_RIGHT">    
+    <position height="101" width="319" x="476" y="66"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+      sort-features="false" accessors="true" visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <association id="5">    
+    <end type="SOURCE" refId="4" navigable="false">      
+      <attribute id="6" name="videos"/>      
+      <multiplicity id="7" minimum="0" maximum="2147483647"/>    
+    </end>    
+    <end type="TARGET" refId="1" navigable="true"/>    
+    <display labels="true" multiplicity="true"/>  
+  </association>  
+  <association id="8">    
+    <end type="SOURCE" refId="4" navigable="false">      
+      <attribute id="9" name="fieldJsonMapper"/>      
+      <multiplicity id="10" minimum="0" maximum="1"/>    
+    </end>    
+    <end type="TARGET" refId="2" navigable="true"/>    
+    <display labels="true" multiplicity="true"/>  
+  </association>  
+  <classifier-display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+    sort-features="false" accessors="true" visibility="true">    
+    <attributes public="true" package="true" protected="true" private="true" static="true"/>    
+    <operations public="true" package="true" protected="true" private="true" static="true"/>  
+  </classifier-display>  
+  <association-display labels="true" multiplicity="true"/>
+</class-diagram>
\ No newline at end of file