diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 0bd40db..87eac98 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -19,7 +19,15 @@
     <select />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="458cde88-df3d-44bc-9d57-a33823e2f1a6" name="Default Changelist" comment="" />
+    <list default="true" id="458cde88-df3d-44bc-9d57-a33823e2f1a6" name="Default Changelist" comment="">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/release11/klaus/config/SwaggerConfig.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/release11/klaus/config/SwaggerConfig.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/release11/klaus/controller/EventController.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/release11/klaus/controller/EventController.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/release11/klaus/controller/KlausController.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/release11/klaus/controller/KlausController.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/release11/klaus/controller/KlausMvcController.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/release11/klaus/controller/KlausMvcController.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/release11/klaus/model/EventRequestDto.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/release11/klaus/model/EventRequestDto.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/release11/klaus/model/MockedMessageDto.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/release11/klaus/model/MockedMessageDto.java" afterDir="false" />
+    </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
@@ -74,7 +82,7 @@
     <property name="com.intellij.testIntegration.createTest.CreateTestDialog.defaultLibrarySuperClass.JUnit5" value="" />
     <property name="last_opened_file_path" value="$USER_HOME$/.git/spring-core-spring-mvc" />
     <property name="restartRequiresConfirmation" value="false" />
-    <property name="settings.editor.selected.configurable" value="MavenSettings" />
+    <property name="settings.editor.selected.configurable" value="preferences.pluginManager" />
   </component>
   <component name="RecentsManager">
     <key name="CreateTestDialog.RecentsKey">
@@ -285,7 +293,12 @@
       <option name="presentableId" value="Default" />
       <updated>1598862102028</updated>
       <workItem from="1609755651686" duration="601000" />
-      <workItem from="1609767138884" duration="1740000" />
+      <workItem from="1609767138884" duration="2788000" />
+      <workItem from="1609777511097" duration="1379000" />
+      <workItem from="1609843958666" duration="5947000" />
+      <workItem from="1609858324796" duration="197000" />
+      <workItem from="1609858548270" duration="300000" />
+      <workItem from="1609858872909" duration="2771000" />
     </task>
     <task id="LOCAL-00077" summary="testing jenkins docker">
       <created>1601453886631</created>
@@ -681,6 +694,10 @@
     <option name="LAST_COMMIT_MESSAGE" value="updating docker files" />
   </component>
   <component name="WindowStateProjectService">
+    <state x="304" y="221" width="1559" height="718" key="#Plugins" timestamp="1609858834859">
+      <screen x="0" y="0" width="1920" height="1160" />
+    </state>
+    <state x="304" y="221" width="1559" height="718" key="#Plugins/0.0.1920.1160@0.0.1920.1160" timestamp="1609858834859" />
     <state x="2479" y="105" width="1092" height="762" key="#com.intellij.execution.impl.EditConfigurationsDialog" timestamp="1604747761014">
       <screen x="1920" y="0" width="1920" height="1040" />
     </state>
@@ -715,6 +732,10 @@
       <screen x="1920" y="0" width="1920" height="1160" />
     </state>
     <state x="2610" y="327" key="#com.intellij.refactoring.safeDelete.UnsafeUsagesDialog/0.0.1536.824/1920.0.1920.1160@1920.0.1920.1160" timestamp="1603723877383" />
+    <state x="490" y="237" key="DBNavigator.ProjectSettingsDialog" timestamp="1609777463956">
+      <screen x="0" y="0" width="1920" height="1160" />
+    </state>
+    <state x="490" y="237" key="DBNavigator.ProjectSettingsDialog/0.0.1920.1160@0.0.1920.1160" timestamp="1609777463956" />
     <state x="508" y="128" width="904" height="610" key="EnvironmentVariablesDialog" timestamp="1601384219062">
       <screen x="0" y="0" width="1536" height="824" />
     </state>
@@ -792,10 +813,11 @@
     </state>
     <state x="439" y="117" key="NewModule_or_Project.wizard/0.0.1536.824/1920.0.1920.1040@0.0.1536.824" timestamp="1602062762925" />
     <state x="439" y="117" key="NewModule_or_Project.wizard/0.0.1536.824@0.0.1536.824" timestamp="1601971581565" />
-    <state x="277" y="57" key="SettingsEditor" timestamp="1601975962924">
-      <screen x="0" y="0" width="1536" height="824" />
+    <state x="833" y="398" key="SettingsEditor" timestamp="1609777945740">
+      <screen x="0" y="0" width="1920" height="1160" />
     </state>
     <state x="277" y="57" key="SettingsEditor/0.0.1536.824@0.0.1536.824" timestamp="1601975962923" />
+    <state x="833" y="398" key="SettingsEditor/0.0.1920.1160@0.0.1920.1160" timestamp="1609777945740" />
     <state x="2371" y="183" key="Vcs.Push.Dialog.v2" timestamp="1605864218215">
       <screen x="1920" y="0" width="1920" height="1040" />
     </state>
@@ -829,10 +851,11 @@
     <state x="425" y="187" key="run.anything.popup/0.0.1536.824/1920.0.1920.1040@0.0.1536.824" timestamp="1605787231756" />
     <state x="2451" y="236" key="run.anything.popup/0.0.1536.824/1920.0.1920.1040@1920.0.1920.1040" timestamp="1605716394224" />
     <state x="425" y="187" key="run.anything.popup/0.0.1536.824@0.0.1536.824" timestamp="1601461825087" />
-    <state x="2459" y="204" width="840" height="955" key="search.everywhere.popup" timestamp="1603984139797">
-      <screen x="1920" y="0" width="1920" height="1160" />
+    <state x="539" y="204" width="840" height="955" key="search.everywhere.popup" timestamp="1609858975773">
+      <screen x="0" y="0" width="1920" height="1160" />
     </state>
     <state x="2459" y="204" width="840" height="955" key="search.everywhere.popup/0.0.1536.824/1920.0.1920.1160@1920.0.1920.1160" timestamp="1603984139797" />
+    <state x="539" y="204" width="840" height="955" key="search.everywhere.popup/0.0.1920.1160@0.0.1920.1160" timestamp="1609858975773" />
   </component>
   <component name="XDebuggerManager">
     <breakpoint-manager>
@@ -852,7 +875,7 @@
         </line-breakpoint>
         <line-breakpoint enabled="true" type="java-line">
           <url>file://$PROJECT_DIR$/src/main/java/com/release11/klaus/controller/KlausController.java</url>
-          <line>57</line>
+          <line>62</line>
           <option name="timeStamp" value="36" />
         </line-breakpoint>
       </breakpoints>
diff --git a/src/main/java/com/release11/klaus/config/SwaggerConfig.java b/src/main/java/com/release11/klaus/config/SwaggerConfig.java
index ae54b88..a41dd4e 100644
--- a/src/main/java/com/release11/klaus/config/SwaggerConfig.java
+++ b/src/main/java/com/release11/klaus/config/SwaggerConfig.java
@@ -9,6 +9,9 @@ import springfox.documentation.swagger2.annotations.EnableSwagger2;
 
 import static springfox.documentation.builders.PathSelectors.regex;
 
+/**
+ * Points to swagger version and package containing controller classes
+ */
 @Configuration
 @EnableSwagger2
 public class SwaggerConfig {
diff --git a/src/main/java/com/release11/klaus/controller/EventController.java b/src/main/java/com/release11/klaus/controller/EventController.java
index 1a8739e..85e0cbe 100644
--- a/src/main/java/com/release11/klaus/controller/EventController.java
+++ b/src/main/java/com/release11/klaus/controller/EventController.java
@@ -18,6 +18,10 @@ import java.util.LinkedList;
 import java.util.List;
 import java.util.UUID;
 
+
+/**
+ * Class responds to request asking about history of messages.
+ */
 @Slf4j
 @Controller
 @RequestMapping
diff --git a/src/main/java/com/release11/klaus/controller/KlausController.java b/src/main/java/com/release11/klaus/controller/KlausController.java
index 0278556..e5a7e38 100644
--- a/src/main/java/com/release11/klaus/controller/KlausController.java
+++ b/src/main/java/com/release11/klaus/controller/KlausController.java
@@ -22,6 +22,11 @@ import java.util.Map;
 import java.util.Objects;
 import java.util.UUID;
 
+
+/**
+ * A class responds to generated message uri's requests.
+ * It deletes or fetches the requested message
+ */
 @Controller("/")
 @Slf4j
 //@Profile({"DEV", "default"})
diff --git a/src/main/java/com/release11/klaus/controller/KlausMvcController.java b/src/main/java/com/release11/klaus/controller/KlausMvcController.java
index 910b348..cbd6c77 100644
--- a/src/main/java/com/release11/klaus/controller/KlausMvcController.java
+++ b/src/main/java/com/release11/klaus/controller/KlausMvcController.java
@@ -20,6 +20,12 @@ import java.net.InetAddress;
 import java.time.LocalDateTime;
 import java.util.*;
 
+/**
+ * Sending GET request to path /home sets up a new UUID ex. 58b9709d-358b-4713-8fbc-6acf89e81418
+ * UUID is something like session id type which contains references to each saved message
+ * Next saved massage shares UUID but its id is a +1 ex.
+ * 58b9709d-358b-4713-8fbc-6acf89e81418/1; 58b9709d-358b-4713-8fbc-6acf89e81418/2 etc.
+ */
 @Slf4j
 @Controller
 @RequestMapping
diff --git a/src/main/java/com/release11/klaus/model/EventRequestDto.java b/src/main/java/com/release11/klaus/model/EventRequestDto.java
index 8921b45..6150007 100644
--- a/src/main/java/com/release11/klaus/model/EventRequestDto.java
+++ b/src/main/java/com/release11/klaus/model/EventRequestDto.java
@@ -9,6 +9,9 @@ import org.springframework.format.annotation.DateTimeFormat;
 import java.time.LocalDateTime;
 import java.util.UUID;
 
+/**
+ * Pojo for client request
+ */
 @Data
 @Builder
 @NoArgsConstructor
diff --git a/src/main/java/com/release11/klaus/model/MockedMessageDto.java b/src/main/java/com/release11/klaus/model/MockedMessageDto.java
index 4baa8fe..54f4701 100644
--- a/src/main/java/com/release11/klaus/model/MockedMessageDto.java
+++ b/src/main/java/com/release11/klaus/model/MockedMessageDto.java
@@ -8,6 +8,11 @@ import javax.validation.constraints.Positive;
 import java.util.Map;
 import java.util.UUID;
 
+/**
+ * it appears that instance of this class contains info about mocked response
+ * To which UUID it is bound, whats its id, the list of headers, type of content and message body,
+ * as well as status it has to return.
+ */
 @Data
 @Builder
 @ToString