diff --git a/throttling/etc/throttling-class-diag.ucls b/throttling/etc/throttling-class-diag.ucls
new file mode 100644
index 000000000..deb3723fd
--- /dev/null
+++ b/throttling/etc/throttling-class-diag.ucls
@@ -0,0 +1,49 @@
+<?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.tls.B2BService" project="throttling" 
+    file="/throttling/src/main/java/com/iluwatar/tls/B2BService.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="804" y="214"/>    
+    <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.tls.Tenant" project="throttling" 
+    file="/throttling/src/main/java/com/iluwatar/tls/Tenant.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="577" y="484"/>    
+    <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.tls.App" project="throttling" 
+    file="/throttling/src/main/java/com/iluwatar/tls/App.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="137" width="223" x="267" y="135"/>    
+    <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="4">    
+    <end type="SOURCE" refId="1" navigable="false">      
+      <attribute id="5" name="tenant"/>      
+      <multiplicity id="6" minimum="0" maximum="1"/>    
+    </end>    
+    <end type="TARGET" refId="2" navigable="true"/>    
+    <display labels="true" multiplicity="true"/>  
+  </association>  
+  <dependency id="7">    
+    <end type="SOURCE" refId="3"/>    
+    <end type="TARGET" refId="1"/>  
+  </dependency>  
+  <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
diff --git a/throttling/etc/throttling.urm.puml b/throttling/etc/throttling.urm.puml
new file mode 100644
index 000000000..02af47ddf
--- /dev/null
+++ b/throttling/etc/throttling.urm.puml
@@ -0,0 +1,2 @@
+@startuml
+@enduml
\ No newline at end of file