This UML Sequence Diagram for ATM depicts the sequence of messages or events between objects in the management system. It aids in defining the sequence of messages exchanged between the actors and entities. Sequence diagrams can also explain how the ATM System should control the structures between objects. To create the ATM System Sequence Diagram, you must first become acquainted with its symbols. This is to determine how you would emphasize your ATM system's entire content. With symbol familiarisation, you can easily understand the ways of system development.