diff --git a/case-study/suits/model/suits-markdown.md b/case-study/suits/model/suits-markdown.md
new file mode 100644
index 0000000..a0e1f05
--- /dev/null
+++ b/case-study/suits/model/suits-markdown.md
@@ -0,0 +1,92 @@
+```mermaid 
+
+classDiagram 
+ Direction TB
+    class I_Lawyer{
+        <<interface>>
+        +representClients() void
+        +research() void 
+        +analysis(String doc) void
+        +fileDocument(String type) void
+    }
+
+       class I_OperatingOfficer{
+        <<interface>>
+        +supportExecutives() void
+        +developPolicies() void 
+        +coordinate() void
+    }
+
+       class I_Partner{
+        <<interface>>
+        +decisionMaking() void
+        +profitRevenue() void
+    }
+    class TypeJob{ 
+        <<abstract>>
+    }
+    class Person {
+        -name String
+        -surname String 
+        -gender String 
+        -job TypeJob
+    }
+
+    class Firm{
+        -name String 
+        -foundation LocalDate
+        +listEmployes () String 
+        +info() String 
+    }
+
+    class Law{
+        -insuranceQuote String 
+        -govApprovement String
+        +info() String 
+
+    }
+    class Tech {
+        -nonDisclosure String 
+        -ipAdress String 
+        +info() String 
+    }
+    class Attorney{
+        -legalNumber int
+    }
+
+    class COO{
+
+    }
+
+    class NamePartner{
+
+    }
+
+    class Secretary{
+        +organizing() void
+        +prepare(String doc) void
+    }
+
+ TypeJob <|-- Attorney
+ TypeJob <|-- Secretary
+
+ Firm <|-- Law
+ Firm <|-- Tech
+
+ I_Lawyer <.. Attorney
+ I_OperatingOfficer <.. COO
+ I_Partner <.. COO
+ I_Partner <.. NamePartner
+
+ Secretary <|-- COO
+ Attorney <|-- NamePartner 
+
+ Person "1" -- "*" Firm : -employeers ArrayList < Person>
+ Person -- TypeJob
+ 
+
+
+
+
+
+