diff --git a/src/main/asciidoc/developer_documentation.adoc b/src/main/asciidoc/developer_documentation.adoc
index c54d1cf..b0627c7 100644
--- a/src/main/asciidoc/developer_documentation.adoc
+++ b/src/main/asciidoc/developer_documentation.adoc
@@ -3,7 +3,7 @@
 // SPDX-FileCopyrightText: 2015 Oliver Drotbohm
 // SPDX-FileCopyrightText: 2019 Daniel Schoenicke
 // SPDX-FileCopyrightText: 2023 Markus Hamann
-// SPDX-FileCopyrightText: 2023 swt23w23
+// SPDX-FileCopyrightText: 2023-2024 swt23w23
 [options="header"]
 [cols="1, 3, 3"]
 |===
@@ -313,6 +313,7 @@ image:models/design/staff.svg[class design diagram - Staff]
 |StaffManagement |A class that manages interactions and logic with StaffRepository. It provides methods to find, save/add, list, and delete staff members.
 |StaffRepository |An extension of 'CrudRepository' that provides standard methods to perform CRUD operations on staff objects.
 |StaffForm |A Form to cache a user input that was made during registration or updating an Employee.
+|JobType | A list of all professions that an employee can have.
 |===
 
 === Link between analysis and design
diff --git a/src/main/asciidoc/models/design/staff.puml b/src/main/asciidoc/models/design/staff.puml
index a84b678..76dcb8c 100644
--- a/src/main/asciidoc/models/design/staff.puml
+++ b/src/main/asciidoc/models/design/staff.puml
@@ -1,14 +1,29 @@
 ' SPDX-License-Identifier: AGPL-3.0-or-later
-' SPDX-FileCopyrightText: 2023 swt23w23
+' SPDX-FileCopyrightText: 2023-2024 swt23w23
 @startuml
 
 skinparam linetype ortho
 skinparam groupInheritance 2
 
-package javax.money {
-    class MonetaryAmount
-	class Money
+package salespoint {
 	class EURO
+	class OrderManagement
+}
+
+package java.util {
+	class Object
+	class Set
+	class function.Predicate
+	class stream.Collectors
+}
+
+package javax.money {
+	class MonetaryAmount
+}
+
+package java.time {
+	class LocalDateTime
+	class YearMonth
 }
 
 package Spring {
@@ -16,20 +31,24 @@ package Spring {
 	class Streamable
 	class Errors
 	class Model
+	class Pageable
 }
 
 package catering.order {
-	class OrderManagement
 	class CustomOrder
 }
 
+package org.javamonay {
+	class moneta.Money
+}
+
 package catering.staff {
 
-  class Employee {
-		- name: String
+	class Employee {
+		+ name: String
 		- id: Long
-    + Employee()
-    + Employee(name: String, job: JobType, wage: MonetaryAmount)
+		+ Employee()
+		+ Employee(name: String, job: JobType, wage: MonetaryAmount)
 		+ getId(): Long
 		+ getName(): String
 		+ getJob(): JobType
@@ -37,10 +56,15 @@ package catering.staff {
 		+ setName(name: String): void
 		+ setJob(job: JobType): void
 		+ setWage(wage: Double): void
+		+ hashCode(): int
+		+ equals(obj: Object): boolean
 	}
 
-  Employee --> JobType : -job
-  Employee --> MonetaryAmount : -wage
+	Employee --> JobType : -job
+	Employee --> MonetaryAmount : -wage
+	Employee ..> Object
+	Employee ..> Money
+	Employee ..> Euro
 
 	enum JobType {
 		COOK
@@ -48,45 +72,56 @@ package catering.staff {
 	}
 
 	class StaffController {
-		+ StaffController(staffRepository: StaffRepository)
-    + getStaff(model: Model, month:Optional<YearMonth>): String
-    + getStaff(model: Model, form: StaffForm, month:Optional<YearMonth>): String
-    + removeEmployee(employee: Employee, model: Model): String
-    + addEmployee(form:StaffForm, result:Errors, model: Model): String
-    + editEmployee(employee: Employee, model Model): String
-    + editEmployee(model Model, form:StaffForm): String
-    + updateEmployee(employee: Employee, form:StaffForm): String
+		+ StaffController(staffManagement: StaffManagement)
+		+ getStaff(model: Model, month:Optional<YearMonth>): String
+		+ getStaff(model: Model, form: StaffForm, month: YearMonth): String
+		+ addEmployee(form:StaffForm, result:Errors, model: Model): String
+		+ removeEmployee(employee: Employee, model: Model): String
+		+ editEmployee(employee: Employee, model Model): String
+		+ editEmployee(model Model, form:StaffForm): String
+		+ updateEmployee(employee: Employee, form:StaffForm, result: Errors, model: Model): String
 	}
-		StaffController --> StaffManagement : -staffManagement
-    StaffController ..> Employee
+	StaffController --> StaffManagement : -staffManagement
+	StaffController ..> Employee
 	StaffController ..> StaffForm
 	StaffController ..> Model
 	StaffController ..> Errors
-	StaffController ..> Money
+	StaffController ..> CustomOrder
 	StaffController ..> EURO
+	StaffController ..> Money
+	StaffController ..> Optional
 
 	class StaffManagement {
 		+ StaffManagement(staffRepository: StaffRepository, orderManagement:OrderManagement<CustomOrder>)
-    + findById(id: Long): Optional<Employee>
-    + save(employee: Employee): Employee
-    + findAll(): Streamable<Employee>
-    + delete(id: Long): void
-	+ getAvailableStaffByJob(job: JobType, start:LocalDateTime, finish:LocalDateTime): Set<Employee>
-	+ getWorkingHourseByemployee(e: Employee,month: YearMonth): double
+		+ findById(id: Long): Optional<Employee>
+		+ save(employee: Employee): Employee
+		+ findAll(): Streamable<Employee>
+		+ delete(id: Long): void
+		+ getAvailableStaffByJob(job: JobType, start:LocalDateTime, finish:LocalDateTime): Set<Employee>
+		+ getWorkingHourseByemployee(e: Employee,month: YearMonth): double
 	}
-		StaffManagement --> StaffRepository : -staffRepository
-		StaffManagement --> OrderManagement : -orderManagement
-		StaffManagement ..> Set
+	StaffManagement --> StaffRepository : -staffRepository
+	StaffManagement --> OrderManagement : -orderManagement<CustomOrder>
+	StaffManagement ..> JobType
+	StaffManagement ..> Employee
+	StaffManagement ..> Set
+	StaffManagement ..> Streamable
+	StaffManagement ..> LocalDateTime
+	StaffManagement ..> YearMonth
+	StaffManagement ..> Predicate
+	StaffManagement ..> Collectors
+	StaffManagement ..> Pageable
 
 	interface StaffRepository {
-    + findAll(): Streamable<Employee>
+		+ findAll(): Streamable<Employee>
 	}
-		StaffRepository --|> CrudRepository : <<extends>>
-		StaffRepository ..|> Streamable
-    StaffRepository o-- Employee
+	StaffRepository --|> CrudRepository : <<extends>>
+	StaffRepository ..|> Streamable
+	StaffRepository o-- Employee
 
 	class StaffForm {
 		- name: String
+		- wage: Double
 		+ StaffForm(): void
 		+ getName(): String
 		+ getJob(): JobType
@@ -97,6 +132,7 @@ package catering.staff {
 		+ validate(e:Errors): void
 	}
 	StaffForm ..> JobType : -job
+	StaffForm ..> Errors
 }
 
 @enduml
diff --git a/src/main/asciidoc/models/design/staff.svg b/src/main/asciidoc/models/design/staff.svg
index 7e12223..568150a 100644
--- a/src/main/asciidoc/models/design/staff.svg
+++ b/src/main/asciidoc/models/design/staff.svg
@@ -1,3 +1,3 @@
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-oid sha256:d05c92a10c3f72cc28a0a5a00eaf629d0de440deac20622caa8eadde13259cb2
-size 42634
+oid sha256:16814d625a6dacdd03cb4443ed229b68febf39276c356564cbc90231767e6e9a
+size 71745