diff --git a/Datastructure.md b/Datastructure.md
index 0aff869..77c216c 100644
--- a/Datastructure.md
+++ b/Datastructure.md
@@ -1,16 +1,56 @@
 ```mermaid
+%%{ init: { 'flowchart': { 'curve': 'linear' } } }%%
 flowchart TD
 
-p["Projekt"]
-p-->p_id(id)
-p-->p_name(name)
-p-->p_admin(administrator)
-p-->p_customer(customer)
-p-->p_goal(goal)
-p-->p_start(start)
-p-->p_planned_end(planned end)
-p-->p_real_end(real end)
 
-l["Link"]
+subgraph em["Epmployee Microservice"]
+  e["Employee"]
+  e-->e_id(id)
+  e-->e_first_name(first name)
+  e-->e_last_name(last name)
+  e-->e_phone_number(phone number)
+  e-->e_city(city)
+  e-->e_zip_code(zip code)
+  e-->e_street(street)
+  e-->e_skills(skill set)
 
+  q["Qualification"]
+  q-->q_id(id)
+  q-->q_name(name)
+end
+
+subgraph pm["Project Microservice"]
+  p["Projekt"]
+  p-->p_id(id)
+  p-->p_name(name)
+  p-->p_admin_id(administrator id)
+  p-->p_customer_id(customer)
+  p-->p_goal(goal)
+  p-->p_start(start)
+  p-->p_planned_end(planned end)
+  p-->p_real_end(real end)
+
+  a["Allocation"]
+  a-->a_employee_id(employee id)
+  a-->a_project_id(project id)
+  a-->a_role(role)
+end
+
+subgraph cm["Customer Microservice"]
+  c["Customer"]
+  c-->c_id(id)
+end
+
+
+
+%% Cross Data Struct Links (Relations)
+
+p_admin_id o-----o e_id
+p_customer_id o-----o c_id
+
+a_employee_id o-----o e_id
+a_project_id o-----o p_id
+a_role o-----o q_id
+
+linkStyle 22,23,24,25,26 stroke:green,stroke-width:2px;
 ```
\ No newline at end of file