Sample: Use Case Diagram

Code

@startuml left to right direction actor Guest as g package Professional { actor Chef as c actor "Food Critic" as fc } package Restaurant { usecase "Eat Food" as UC1 usecase "Pay for Food" as UC2 usecase "Drink" as UC3 usecase "Review" as UC4 } fc --> UC4 g --> UC1 g --> UC2 g --> UC3 @enduml

 

Diagram

 

Reference