Not yet finalized MSG-Flow for 'Merchant-flows'

Merchant Customer Terminal
| | |
+-inform-amount
Info for inform-amount
No link information between act and comp for inform-amount
| |
|---choose-method
Info for choose-method
No link information between msg and prot for choose-method
-->| |
|<-chooses-terminal
Info for chooses-terminal
No link information between msg and prot for chooses-terminal
actionterminal
-| |
+-enters-amount
Info for enters-amount
No link information between act and comp for enters-amount
| |
|-----------start-payment
Info for start-payment
No link information between msg and prot for start-payment
actionterminal
----------->|
| |<--show-amount
Info for show-amount
No link information between msg and prot for show-amount
actionterminal
--|
| +-inserts-card
Info for inserts-card
No link information between act and comp for inserts-card
|
| |-method-chosen
Info for method-chosen
No link information between msg and prot for method-chosen
actionterminal
methodchip
->|
| |<--card-invalid
Info for card-invalid
No link information between msg and prot for card-invalid
actionterminal
methodchip
-|
| +-pay-different
Info for pay-different
No link information between act and comp for pay-different
|
|<-----------payment-failed
Info for payment-failed
No link information between msg and prot for payment-failed
actionterminal
methodchip
----------|
+-retry-payment
Info for retry-payment
No link information between act and comp for retry-payment
| |
+-inform-amount
Info for inform-amount
No link information between act and comp for inform-amount
| |

You can and paste the above flow representation in a text file or in your favourite text editor using a monospace font. Ofcourse you will loose the context sensitive output and the links towards additional information.

Once the message flow is finalized a graphical representation will be created. As well as a textual reprensentation usable for some free tools.

Decission table

The decission table shows which decissions have been made so far and which to make. The header contains the choice number and the entity making the choice. The choices are shown from left (latest) to right (earlier) which make it handier to follow or adapts. All choices you could have choisen on a specific level are displayed. You can click on the description to make a different choice.

Merchant-flows : The merchant starts any action.
  #5
Customer		 #4
Merchant		 #3
Terminal		 #2
Customer		 #1
Customer
1 chooses-cash pay-differently valid-card use-chip chooses-cash
2 chooses-electronic keep-goods invalid-card-chip use-contacless chooses-electronic
3       use-mobile