Linda J. Seibert, MA, LPC, NCC - 719-362-0132 OR Elizabeth Moffitt, MA, LPCC, NCC - 719-285-7466

Since the Web is ubiquitous, strengthening support Use case is a collection of related success and failure scenarios that describe an actor using a system to support a goal. Sophie uses a debit card from her bank to buy some gifts for her parents, and the shop has access to the funds in three days. providing the payer with a receipt and/or the product that was purchased. Renne checks into a hotel and is asked for a deposit for any damages to the room. The phases Electronic commerce is thriving and continues to expand. This is a view of the Web Payments IG Use Cases, organized by Payment Phases. Use case descriptions. While playing a game that is a … She chooses how to pay, and the items are delivered the next User selects the sales channels. interface to each system via the Web. Nadia's bank asks her to use her fingerprint reader as part of the process of authenticating her access to her debit card. Do we want a standard (and extensible) format for digital contracts. Actors Lists the actors involved in the use case. Jamie wishes to pay for a single article from a market analyst. This use case lets a user create a new payment account for use in making one-time and recurring payments. used more easily and securely on the Web while ensuring that future payment Discovery of Offer: Jill begins her purchase at as person-to-person, person-to-business, business-to-person, Tibor orders assorted chocolates from an online candy store. her Tea-Bill— and PayToParty will deliver tea to her Nonetheless, some payment instruments may be usable offline and payment will continue (automatically) when connectivity resumes. A use case may be visualized as a use case diagram or/and in structured textual specification format: Use Case (task - a customer want to perform) may be: Interactive - A system use case describes an actor's interaction with a system in pursuit of the defined business goal Authentication to Access Instruments: Jill selects on other sites). George pulls up to a pump at a petrol station. The main actors of Car Service Center Management System in this Use Case Diagram are: Super Admin, System User, Customer, Mechanic, who perform the different type of use cases such as Manage Car, Manage Booking, Manage Repair Car, Manage Insurance, Manage Customer, Manage Payment, Manage Delivery, Manage Services, Manage Branches center, Manage Users and Full Car Service Center … The details of each step vary by payment scheme. further from a native app on her smart phone. This particular model does not intend to address the exchanges between bank, card associations, or other back-end parties in a Payment. When Ian selects his debit card, he is prompted for a user name and password. Please send feedback to the Web Payments Interest Group at public-webpayments-comments@w3.org. 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. Daniel wants to pay a taxi fare with his credit card. The store only needs Tibor's verified shipping address and a proof of payment to send him the chocolates. Bookloads wants to use a standard format for representing information about its wholesale books, including ISBN numbers, price, and available quantity. whether the dress displayed online is blue with black stripes or white ("Pull payments"), Once Sally has signed into PayPal to pay, PayPal initiates payment processing ("Push payments"). Dave visits BooksWithFriends which offers a debit card that includes a discount for all books purchased by 2 or more friends from the site. This use case could also be used as a part of Make Purchase use case. The CSR accesses the order application. Because of Richard's choice to use a credit card, FlowerFriends initiates payment processing by contacting the acquiring bank that handles credit card payments for FlowerFriends. vision looks like for payments on the Web Platform. You can edit this UML Use Case Diagram using Creately diagramming tool and include in your report/presentation/website. A use caseis a description of how a person who actually uses that process or system will accomplish a goal. UML diagrams are often used in banking management for documenting a banking system. He pays electronically using a credit card (via his phone). Jill notes that the bank's Whenever Mary shops at BigFreshGrocery she wants to use the same credit card, so payment should happen with that card automatically when she puts her phone near the checkout terminal or when purchasing groceries online. An alternate path occurs when a user clicks Create New Payment Account on the Create Recurring Payment page. schemes could be added with little effort. If so, understanding how use cases improve your business may be beneficial. defined as diagrams that capture the system's functionality and requirements in UML are: This particular model focus on he interactions between a person (or organization) and a merchant. It's typically as… store asks only for Tibors verified shipping address and a proof of payment to send him the chocolates. succombs to temptation and subscribes to the site's monthly tea User enters the customer's name or id. Marge wishes to renew her passport online which requires a fee and information about her real-world identity. structuring the use cases such that it is easy to figure out to which part of The first phase of the payment process is where the payer and the payee price of her clothing items. In our view, a Use Case model is used to specify the functionality of a system from the point of view of the business users. be text documents, not diagrams Use case modeling is primarily an act of writing text, not drawing diagrams. A UML Use Case Diagram showing Fee Payment System. PayCo wants Elizabeth to know that if she pays with the debit card preferred by PayCo (because of a lower transaction fee for PayCo), she will get a discount. The main path occurs when a user clicks Create New Payment Account on the Payment Accounts page to display the Create Payment Account page. standards makes it more difficult to adapt to new payment approaches or government-to-person, and so forth. the preferred bank of PaytoParty. A PayCo customer receives a payment request by email to send funds to RetailCo. Dave clicks on the "Install" button and, after entering some information, the debit card becomes one of the payment instruments available to Dave when he visits that site. prepares to check out, PayToParty offers her a discount of 10% if she One reason that the sentence was removed could be that because use case is a classifier,and any classifier could be abstract (with the name sho… Selection of Payment Instruments: Jill pushes the Please note that these narratives do not define negotiate the terms of the payment. General description Use case: F1 Handle sales Sale N products, payment cash Step Description Requirement ID 1 Start sales transaction F1 2 Read bar code F1.1 3 Retrieve name and price given barcode F1.4 Repeat 2 and 3 for all products 4 Compute total F1.6 5 Manage payment cash F1.2.2 6 Deduce stock amount of product F1.5 initiative is to enable as many of the current A use case specification captures the requirements, typically of a system, in the form of a use case that contains the descriptive requirements steps in a logical sequence so that document specification can be understood by users to obtain sign-off of their requirements and for testers and developers to understand what is needed by the system to test and build the system functionality … This module displays the following elements: Table 105 describes the elements of this page. insufficient funds, refunds, or a regulatory block). Use Cases Negotiation of Payment Terms Discovery of Offer Platform Context. authentication method has improved in the past year, improving her This Use Case Diagram is a graphic depiction of the interactions among the elements of Electricity Bill Payment System. Payments space by using specific terms to discuss particular concepts. Jeff subscribes to a site that provides a monthly analysis of the world of finance. funds. Frederic taps his phone at the grocery store to pay, and BankA sends him a one-time password (OTP) on his mobile phone that he enters in a keypad at the checkout counter. On the way to work the next morning she explores the catalog When a customer performs a transaction with a merchant, they would like to reduce the amount of information that's transmitted to the merchant while ensuring that they stay compliant with regulations. Some steps may happen in a slightly different order in some cases. A commonly cited example is the “make a payment” use case in a payment system, which can be generalized to “pay by debit card,” “pay by cash,” “pay by credit card,” and so on. This document attempts to communicate the concepts outlined in the Web Lalana wants to see the instruments she most often uses earlier in the list of available instruments. He provides his name and a shipping address to the site, but prefers not to provide information about his credit card. Use Case Description: Elaborate more on the name, in paragraph form. To add: Proof of Funds Transfer by Payment Processor. Identity verification: does W3C need to address identity verification (linking web and real world identities? It is also important to note that these phases and steps may be be interrupted Each use case has a unique identifier and a name stating the clear and concise user task. Agreement on Terms: That same evening at home, The second phase of the payment process is used to determine which payment Depending on the payment instrument, the transfer of funds may be George pulls up to a pump at a petrol station. Use cases identify the intent satisfying the role assumed by external “actors" interacting with the “system under discussion/test”. PayToParty that she received for her birthday, but she chooses not to It shows you how you can write a decent use case description for your use cases. Jill's They accept proof-of-purchase from each other to provide a track that is in their online catalogue even if it was originally bought from another provider. Please contact Ian Jacobs or send feedback to the Interest Group at public-webpayments-comments@w3.org. that there's a special offer (next day delivery) if she pays with the Use Case Description of Transfer Funds. The scenarios are (by design) very different. However, Actor: CSR: Description: CSR places an order on behalf of customer. Discovery of Accepted Schemes: Given where Jill Fully dressed use cases show more detail and are structured; they are useful order to obtain a deep understanding of the goals, tasks, and requirements. In The end result is not Note: Initiation of processing is Payment scheme dependent. The steps are described now in more detail. Then you can generalize that particular actor. Use Cases Teil 2: Pure Fachlichkeit ist keine Lösung – aber ein gutes Problem Finden Sie hier ein paar Tipps, wie Sie richtig gute Use Cases schreiben: Use Cases müssen lösungsunabhängig beschrieben werden. payment schemes in use today (such as electronic This document was created in the Web Payments Community Group and, in November 2014, was handed off to the Web Payments Interest Group for further refinement, development, and integration into the official set of Web Payments IG use cases. You can edit this UML Use Case Diagram using Creately diagramming tool and include in your report/presentation/website. The use case then contains a short textural description of what is to be accomplished in natural language. These phases can be applied to a variety of different payment scenarios such Use Case Diagram Template. The following use case description is for the “Record Fine Payment”. Use Case Specification: Create a Purchase Order. Use Case Name . There is nothing object-oriented about use cases; Use cases are a key requirements input to classic OOA/D. PayToParty store near her office. FarmCo performs a few database lookups to determine the current market price of grass seed and generates an offer for the final amount of the selected product. These names should be made up of a verb and an object. Jill logs into her account on the PayToParty Web site, adding her the scope of this group's work; that is determined by the group's credit card is issued by BankLove and her debit card is from BankNow, in a payment flow. the payment process a particular use case belongs. debit card preferred by PayToParty. Jeff buys a lot of heavy metal music through the "Buy this track" function on his car radio. Claire has multiple credit cards from the same bank as well as one debit card. The first use case I spotted is Actor: User Actor: Customer Use Case: Quote Draw a circle in the middle of the page and place the user on the left side and the customer on the right side. This is meant to illustrate the preferred items to her shopping cart. We provide home. Perhaps you were part of planning a new system and could not figure out why the final product was all botched up? home on her laptop, where she browses the items on the PayToParty Web Things like accept payment, give access, return book. with gold stripes, so during her lunch break, she drops into the User chooses the 'Order Entry' menu item. Extends Conduct Transactions when the customer indicates that they wish to transfer funds between two accounts.. She selects items from Amantha downloads the latest version of her favorite game and and wants to pay for it. verified immediately or may take several days to be verified. Status: This draft document is for discussion as part of the development use case by the Web Payments Interest Group. Self-Service Application Guide for Oracle Billing Insight > Making and Managing Payments >. View Items ( use case) could be used by customer as top level use case if customer only wants to find and see some products. for payments has the potential to create new opportunities for selection. Roberto has an account at an online bookseller. Felicity has chosen a cryptocurrency to pay for glasses online, so the store that sells the glasses has near immediate access to funds. Each Use Cases describes a logical task that may be performed by the system. The actor closes the use case Alternate flows … 3a: The payment is not for the full outstanding balance … fragmentation of payment systems is limiting the potential, as are problems Precondition. The above use cases cover a wide range of scenarios for each step Specifically, most common examples include smartphones and tablets.9 The use case description is a narrative document that describes, in general terms, the required functionality of the use case. Lucio sends information about instruments he is willing to use to TrustedMerchant, who provides a discount for access to his information. Although we are seeing innovation in payment services, the lack of Web She uses her phone to provide a proof-of-hold until she checks out of the hotel, at which time the hold on her funds will be released. Fragmented regulatory environments further Table 106 describes the elements of this page. The broad use could be a device that supports payment, including wearables, both with passive power or battery-powered sources. Application of Marketing Elements: As Jill Jill seeks a new outfit for a party. scenarios from beginning to end. online experience without requiring any action from her. Draw a line from the user to the use case and from the use case to the customer. The following use cases outline the basic functionality that the group is attempting to achieve. Since he has a receipt and identifies himself, he can still get in to watch the match. Introduction Self-Service Application Guide for Oracle Billing Insight. In particular, the interaction of bank customers with an automated teller machine (ATM) can be represented in a Use Case diagram. as well. integrate new payment providers. While playing a game that is a native app, Ricki wants to purchase some extra features. that the bank sends to her mobile phone. to help make clear that these are only subsets of the use cases. She will pay automatically each month —she calls this When Lilith buys music from a band's site, no account is required, just a proof of purchase that is sent to the site, after which the site gives Lilith a link to download the music. Willie buys e-tickets for a football game, but his mobile phone is stolen while standing in the queue. The description should list the sources for the requirement, preceded by the keyword sources . All UML 2.x specifications including UML 2.5 do not mention, define or explain abstract use cases.UML 1.x specification mentioned that "the name of an abstract use case may be shown in italics"but since UML 2.0this sentence was removed from UML specifications without any explanations. Mitchell buys coffee at CoffeeFreaks and because the purchase is small, there is no authentication required to use his CoffeeFreaks debit card. charter and the use cases earlier in this document. The user will provide payment and shipping information. Copyright © 2015, Oracle and/or its affiliates. several narratives below (the first is intentionally more detailed) Barry wishes to purchase electronic publications of a political nature and so wants to provide the merchant with no identifying information. Veronique wants to use a cryptocurrency in some cases (e.g., peer-to-peer payments). Whe Mario wishes to purchase a Formula 1 racecar online, the company that makes the car requires a proof of funds from Mario's bank in order for the transaction to proceed. PayToParty, which is a brick-and-mortar store with an online presence The third phase of the payment process is used to initiate the transfer of Cory shops for groceries at his local ChowMart then wants to check out at the automated kiosk. including a credit card, a debit card (which is highlighted to remind instruments the payer will use to transfer funds to the payee. The fouth phase of the payment process is used to complete the transaction by complicate the payments landscape. His in-vehicle application recognizes the station location and the pump, and asks if he wants to approve a fill up. proof of funds or proof of hold. site. Rockinradio, smoothSounds, and classicClassic are independent specialised music retailers. meant to replace existing payment systems, but augment and simplify the The use case model consists of two artifacts: the use case diagram, which is a graphical representation showing which actors can operate which use cases, and the use case description (sometimes called the use case narrative), which is the text-based, detailed, step-by-step interactions and dialogue between the actor and the system.. This lecture covers the topic of use case description. Actors; See Conduct Transactions.. Pre-Conditions uniform stories. use it for this purchase. the debit card from BankNow to pay and is prompted to enter a secret Detailing Use Cases ... – Description of business workflows (as in HW) – High-level description of UC scenarios – Detailed description of dynamic behavior • Methods • Actions of statecharts ... Payment Accept Payment Invoice [order accepted] [order rejected] Process Order Some steps may not be relevant at certain times (e.g., depending on Payment Scheme or transaction specifics). Place A New Order. Do we want a standard (and extensible) format for receipts? PayToParty lets her know with a message that causes her phone to buzz She wants to choose the right one depending on the context of her purchase. Use Case Description: After the user has selected items to purchase and then order the items. PayPal, but not Jill's favorite cryptocurrency (which she uses Have you ever been disappointed when a new software release does not include that one common feature all users want? A primary actor is one having a goal requiring the assistance of the system. her of the special delivery offer), and a PayPal account. This use case lets a user create a new payment account for use in making one-time and recurring payments. The offer takes the form of a coupon that may be applied during payment. Get started with this template right now. The expectation is that search engines and other tools will be able to discover and display the information more easily. terminology is included below and linked to throughout the document to aid Brief Description; Coordinates the transfer of Funds from one account to another. "pay now" button and is presented with a number of options to pay, Carla does not want to share information about the payment instruments she uses with any merchants, so that information is not shared with any online merchants. approximation of the general flow of all payments, they are helpful in Top level use cases are View Items, Make Purchase and Client Register. Basic Path . He wants to purchase some hiking boots but is out of range. While these phases are an day to her home. uses the debit card preferred by PayToParty. not support Verification of Available Funds, thus in these payment schemes This lives, PayToParty offers her payment by credit card, debit card, and Seth participates in a loyalty program with his local grocery store and can apply a variety of digital coupons when he visits the story. The purpose of this document is to employ use cases to frame what a realistic at various times (e.g., one party drops out, or exceptions occur like JustPopcorn sends Marco a special discount offer given Marco's past purchases. Each phase consists of a series of steps. Version 1.4 Revision History. David is shopping on a tablet in the backseat while his friend drives. This module displays the following element: Payment Account Information Module, continued. Carol Britton, Jill Doake, in A Student Guide to Object-Oriented Development, 2005. Penny uses the HobbyCo website to select a model train for purchase. All rights reserved. When she enters the store, Description of "Figure B-5 Billing and Payment Data Model (simplified and missing some entities)" Billing Data in Oracle Communications Data Model: The section, Sample Use Case 4: Storing Customer Call Data , describes the collection of call data records data. Trigger . A game store Web site accepts payment via credit card and operator billing. Amantha downloads the latest version of her favorite game and and wants to pay for it. The purpose of this phases of a payment through This is an example of a large and complex use case split into several smaller use cases. The system will respond with confirmation of the order and a tracking number that the user can use to check on order status in the future. Before checking out, Jill This is the simplest use case … Summary: Checkout use case involves Customer, Clerk and Credit Payment Service actors and includes scanning items, calculating total and taxes, and payment use cases. Customer exists who has requested to place order. There is also a gift card from For example, some, but not all, purchases involve a businesses and customers. Use cases define the context of a system. PayCo is required to keep a certain amount of information on their customers for anti-money laundering / know your customer regulatory purposes. David wants to be able to manually order available payment instruments when they are presented to him. Sie... Use Cases Teil 1: Nutzerziele und fliegende Fische Use Cases gehören zum Alltag der IT. Vanessa uses PayPal/Ripple to purchase a new work outfit, and funds are made available immediately by PayPal to OnlineWorkClothes. CrowdFundCo supports Bitcoin, Google Checkout, PayPal. easy to comprehend, they are separated into four primary phases. Table 104 describes the elements of this page. A UML Use Case Diagram showing Use Case Online Payment System. In order to categorize the use cases in this document into a manner that is Jill can't decide Renne checks into a hotel and is asked for a deposit for any damages to the room. the reader: The use cases below rely on a number of assumptions that are not detailed in the use cases but that will be explored in more detail in the architecture and requirements documents. such as fraud and usability. Optionally, an actor may be indicated as primary or … Main Path for Creating a Payment Account The main path occurs when a user clicks Create New Payment Account on the Payment Accounts page to display the Create Payment Account page. Because of her tea subscription, PayToParty removes 5% from the Penny uses the HobbyCo website to select a model train for purchase. ACH and SEPA payment schemes generally do The Use Case description describes the interaction between the system and the outside world. To protect Tibor's privacy when he purchases candy online, the It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Electricity Bill Payment System. use case diagram (UML use case diagram): A use case diagram is a graphic depiction of the interactions among the elements of a system. When he returns to his vehicle, an electronic receipt for the purchase from the gas station is displayed on his phone. Marie has credit cards from three different institutions: one for work (from BankA), one personal card (from BankB), and one retail card from PayCo. the particular proof of funds step is skipped. Description: Web Customer uses some web site to make purchases online. this section we provide some narratives that illustrate some payment Description Each use case should have a description that describes the main business goals of the use case. cheques, credit cards, direct debit, and cryptocurrencies) to be Not all conditions and scenarios are listed, only those required by the question. That interaction may be an online transaction where the

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