Task Flow Mickael Rutembya · Flow Atlas

Product Checkout

/produit/checkout/

Atomic steps for a visitor to purchase a product or service and complete payment.

Task intent

What the user is trying to do

« Select a product, enter checkout details, and complete payment securely. »

Entry points

ElementDestination
Product detail Buy button/produit/checkout/
Cart Checkout/produit/checkout/
Programme CTA Purchase/produit/checkout/

Flow

Adjacent routes — click a node to open it.taskflow
flowchart TD A["Start: visitor opens checkout"] --> B["/produit/checkout/"] B --> C["Review order summary"] C --> D["Fill billing details"] D --> E["Select payment method"] E --> F["Submit payment"] F --> G{"Payment successful?"} G -->|Yes| H["Display confirmation"] H --> I["End: order complete"] G -->|No| J["Show error and retry"] J --> E click B "https://mickael-umt.com/produit/checkout/" "Open Checkout" click I "https://mickael-umt.com/produit/checkout/confirmation/" "Open Confirmation"

Step inventory

IDStepActionSystem state
S1Open checkoutNavigate to checkoutCart loaded
S2ReviewConfirm items and totalsNo state change
S3Fill detailsEnter billing infoClient-side validation
S4PaySubmit paymentProcessing
S5ConfirmView confirmationOrder created

Flow scenario

Scenario PCK1

Visitor purchases a diagnostic framework PDF

Trigger

  • Visitor clicks buy on product detail
  • Wants immediate access to PDF

Experience

  1. Checkout loads with order summary and price.
  2. Visitor enters billing details and pays.
  3. Payment succeeds; download link is shown.
  4. Confirmation email is sent.

Trust and safety rules

  • Payment is processed by PCI-compliant provider.
  • Order is logged with timestamp and amount.
  • Download link is single-use and time-limited.

Interaction rules

  • Cart persists across session.
  • Payment validation client-side and server-side.
  • Confirmation page provides download and receipt.

Result states

StateWhat the user seesWhat happens next
CartOrder summary and formUser completes payment
ProcessingSpinner or disabled buttonPayment runs
ConfirmedDownload link and receiptUser downloads or contacts
ErrorPayment error messageUser retries or contacts support