diff --git a/doc/anyreport.puml b/doc/class-diagram.puml
similarity index 96%
rename from doc/anyreport.puml
rename to doc/class-diagram.puml
index 24b4f32..47ab336 100644
--- a/doc/anyreport.puml
+++ b/doc/class-diagram.puml
@@ -1,5 +1,6 @@
 @startuml anyreport
 !theme cerulean-outline
+'left to right direction
 package moodle-anyreport{
     ' сборка приложения
     class App{
diff --git a/doc/use-case.puml b/doc/use-case.puml
new file mode 100644
index 0000000..200cd71
--- /dev/null
+++ b/doc/use-case.puml
@@ -0,0 +1,35 @@
+@startuml anyreport
+!theme cerulean-outline
+left to right direction
+skinparam packageStyle rectangle
+actor :User: as user
+
+rectangle "Access-pane"{
+    usecase (Set account data ) as link
+    usecase (Connect to database) as connect
+    usecase (Disconnect from database) as disconnect
+    user -- link
+    user -- connect
+    user -- disconnect
+}
+rectangle "UsersByTag-pane"{
+    usecase (Add tag ) as add
+    usecase (Remove tag) as remove
+    usecase (Viev current tags) as currentTags
+    user -- add
+    user -- remove
+    user -- currentTags
+}
+rectangle "Report-pane"{
+    usecase (Viev results ) as results
+    usecase (Download xlsx report) as xlsxReport
+    usecase (Viev Statistics) as statistics
+    usecase (Download text Statistics) as textStatistics
+    user -- results
+    user -- xlsxReport
+    user -- statistics
+    user -- textStatistics
+}
+
+
+@enduml
\ No newline at end of file