diff --git a/Documentation/diagClasse.md b/Documentation/diagClasse.md
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+@startuml IEP
+
+hide circle
+allowmixing
+skinparam classAttributeIconSize 9
+skinparam classBackgroundColor #123123
+skinparam classBorderColor #fff
+skinparam classArrowColor #123123
+skinparam classFontColor #white
+skinparam classFontName arial
+skinparam BackgroundColor #white
+
+namespace Model #lightgrey{
+    abstract Class AbsModel{
+        - gtw : AbsGateway
+        - role : string
+        + connection() : void
+        + deconnection() : void
+    }
+
+    abstract Class User {
+        - id : int
+        - password : string
+        - email : string 
+        - name : string
+        - surname : string
+        - nickname : string
+        - image : string
+        - extraTime : bool
+        - group : int 
+
+        + User(id : int, password : string, email : string, string name, string surname, string nickname, string image, bool extraTime, int group)
+    }
+
+    Class StudentModel {
+        + action() : void
+    }
+
+    AbsModel *--> Gateway.AbsGateway
+    AbsModel <|-- StudentModel
+
+}
+
+
+namespace Controller #lightgray{
+    Class studentController {
+        - attribut 
+        + fct() : void
+    }
+}
+
+
+namespace Config #lightgray{
+    Class Connection {
+        - stmt 
+        + executeQuery(query : string, parameters : array) : bool
+        + getResult() :  array
+    }
+}
+
+namespace Gateway #lightgray{
+    abstract Class AbsGateway {
+        - con : Connection
+        + {abstract} add() : void
+        + {abstract} remove() : void
+    }
+
+    Class studentGateway {
+        + findVocabulary() : string
+    }
+
+    Class adminGateway {
+        + findStudent(): User
+    }
+
+    class teacherGateway {
+        + findGroup() : Group
+    }
+
+    class groupGateway {
+        + fct(): void
+    }
+
+   
+    AbsGateway <|-- studentGateway
+    AbsGateway <|-- teacherGateway
+    AbsGateway <|-- adminGateway
+    AbsGateway <|-- groupGateway
+}
+
+@enduml