Responsible Team	WG1
Responsible	Maryna I.
Business Requirements	https://babasics.atlassian.net/wiki/spaces/BADEC23/pages/425852995
Stakeholders Requirements	https://babasics.atlassian.net/wiki/spaces/BADEC23/pages/430145587
Functional Requirements	https://babasics.atlassian.net/wiki/spaces/BADEC23/pages/432504867 https://babasics.atlassian.net/wiki/spaces/BADEC23/pages/436895745 https://babasics.atlassian.net/wiki/spaces/BADEC23/pages/433094657 https://babasics.atlassian.net/wiki/spaces/BADEC23/pages/436895780 https://babasics.atlassian.net/wiki/spaces/BADEC23/pages/433291544
Non-functional Requirements	Performance is not more then 3c Security
Priority	MUST HAVE
Actors	Authorized User who is ready to make a payment
Preconditions	User has already been on the company website; User clicked the button “Pay now“; User selected the service for the payment; User provided private information (name, e-mail, phone) and confirmed the Private Policy and Offer; User was redirected to the Payment page.
Trigger (Start Point)	By clicking the “Pay“ button Open

Main Flow (Sunny Day Scenario)

Flow of Events

1. The User is on the Payment page

2. The system displays the form with payment details

3. The User provided all the details
   - card number (12 numbers)
   - expiration date (MM/YY)
   - CVV2 (3 number from the back side of the card)

4. The system activates the “Pay” button

5. The User clicks the “Pay” button

6. The system processes the payment process

7. The system returns User to the company website

8. The system returns payment status “successful“ to the company’s server-url

9. The company website shows the message “Payment was successful“

Post-Conditions

The User can use the selected and the paid service

Alternative Flow (Rainy Day Scenario) #1

Flow of Events

8A. The system returns payment status “successful“ to the company’s server-url
9A.The company website shows the message “Payment was unsuccessful“

Post-Conditions

The User can’t use the selected service