![UML sequence diagrams overview of graphical notation - lifeline, message, execution specification, interaction use, etc. UML sequence diagrams overview of graphical notation - lifeline, message, execution specification, interaction use, etc.](https://www.uml-diagrams.org/notation/sequence-event-destruction.png)
UML sequence diagrams overview of graphical notation - lifeline, message, execution specification, interaction use, etc.
![ATM Sequence diagram | Design elements - UML sequence diagrams | UML sequence diagram - Template | Sequence Diagram For Fees Payment ATM Sequence diagram | Design elements - UML sequence diagrams | UML sequence diagram - Template | Sequence Diagram For Fees Payment](https://conceptdraw.com/a3135c3/p1/preview/640/pict--bank-atm-uml-sequence-diagram-atm-sequence-diagram.png--diagram-flowchart-example.png)
ATM Sequence diagram | Design elements - UML sequence diagrams | UML sequence diagram - Template | Sequence Diagram For Fees Payment
![UML sequence diagram combined fragment is an interaction fragment which defines a combination (expression) of interaction fragments. UML sequence diagram combined fragment is an interaction fragment which defines a combination (expression) of interaction fragments.](https://www.uml-diagrams.org/notation/sequence-operator-alt.png)
UML sequence diagram combined fragment is an interaction fragment which defines a combination (expression) of interaction fragments.
![UML sequence diagram examples - online bookshop, submit comments to Pluck using DWR, AJAX, JSON, Facebook user authentication in a web application. UML sequence diagram examples - online bookshop, submit comments to Pluck using DWR, AJAX, JSON, Facebook user authentication in a web application.](https://www.uml-diagrams.org/thumbnails/online-shopping-uml-sequence-diagram-example.png)
UML sequence diagram examples - online bookshop, submit comments to Pluck using DWR, AJAX, JSON, Facebook user authentication in a web application.
![UML sequence diagrams overview of graphical notation - lifeline, message, execution specification, interaction use, etc. UML sequence diagrams overview of graphical notation - lifeline, message, execution specification, interaction use, etc.](https://www.uml-diagrams.org/notation/sequence-ref-params.png)