1direction: down
2
3start: Start {
4  shape: oval
5}
6
7input: User Input
8validate: Validate Input
9valid: Valid? {
10  shape: diamond
11}
12process: Process Request
13error: Show Error
14result: Return Result
15log: Log Activity
16end: End {
17  shape: oval
18}
19
20start -> input
21input -> validate
22validate -> valid
23valid -> process: yes
24valid -> error: no
25process -> result
26error -> input
27result -> end