This is done most effectively by creating a Unified Modeling Language (UML) diagram, using object-oriented modeling.

Before the software code for an ATM, or any other system design, is written, it is necessary to create a visual representation of any object-oriented processes. In particular, the interaction of bank customers with an automated teller machine (ATM) can be represented in a Use Case diagram. UML diagrams are often used in banking management for documenting a banking system. The UML use case diagram example 'Banking system' was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Rapid UML solution from the Software Development area of ConceptDraw Solution Park. Its main job is to increase the customer base for the bank.' (10) DSA is a Direct Selling Agent, who works for the bank based on a contract. Video banking can be performed via purpose built banking transaction machines (similar to an Automated teller machine), or via a video conference enabled bank branch clarification. (9) Video banking is a term used for performing banking transactions or professional banking consultations via a remote video and audio connection. (8) Telephone banking is a service which allows its customers to conduct transactions over the telephone with automated attendant or when requested with telephone operator. (7) Relationship Managers, mostly for private banking or business banking, often visiting customers at their homes or businesses. (6) Online banking is a term used for performing multiple transactions, payments etc. (5) Mobile banking is a method of using one's mobile phone to conduct banking transactions.

(4) Mail: most banks accept cheque deposits via mail and use mail to communicate to their customers, e.g. 'Banks offer many different channels to access their banking and other services:

Online bank uml use case diagram