Sequence

Show the messages that participants exchange over time.

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1. sequenceDiagram · Alice->>John: Hello John, how are you?Open in Playground
2. sequenceDiagram · autonumberOpen in Playground
3. sequenceDiagram · autonumberOpen in Playground
4. sequenceDiagram · participant AliceOpen in Playground
5. sequenceDiagram · actor AliceOpen in Playground
6. sequenceDiagram · participant Alice@{ "type" : "boundary" }Open in Playground
7. sequenceDiagram · participant Alice@{ "type" : "control" }Open in Playground
8. sequenceDiagram · participant Alice@{ "type" : "entity" }Open in Playground
9. sequenceDiagram · participant Alice@{ "type" : "database" }Open in Playground
10. sequenceDiagram · participant Alice@{ "type" : "collections" }Open in Playground
11. sequenceDiagram · participant Alice@{ "type" : "queue" }Open in Playground
12. sequenceDiagram · participant A as AliceOpen in Playground
13. sequenceDiagram · participant API@{ "type": "boundary" } as Public APIOpen in Playground
14. sequenceDiagram · participant API@{ "type": "boundary", "alias": "Public API" }Open in Playground
15. sequenceDiagram · participant API@{ "type": "boundary", "alias": "Internal Name…Open in Playground
16. sequenceDiagram · Alice->>Bob: Hello Bob, how are you ?Open in Playground
17. sequenceDiagram · box Purple Alice & JohnOpen in Playground
18. sequenceDiagram · participant AliceOpen in Playground
19. sequenceDiagram · Alice->>John: Hello John, how are you?Open in Playground
20. sequenceDiagram · Alice->>+John: Hello John, how are you?Open in Playground
21. sequenceDiagram · Alice->>+John: Hello John, how are you?Open in Playground
22. sequenceDiagram · participant JohnOpen in Playground
23. sequenceDiagram · Alice->John: Hello John, how are you?Open in Playground
24. sequenceDiagram · Alice->John: Hello John,<br/>how are you?Open in Playground
25. sequenceDiagram · participant Alice as Alice<br/>JohnsonOpen in Playground
26. sequenceDiagram · Alice->John: Hello John, how are you?Open in Playground
27. sequenceDiagram · Alice->>Bob: Hello Bob, how are you?Open in Playground
28. sequenceDiagram · par Alice to BobOpen in Playground
29. sequenceDiagram · par Alice to BobOpen in Playground
30. sequenceDiagram · critical Establish a connection to the DBOpen in Playground
31. sequenceDiagram · critical Establish a connection to the DBOpen in Playground
32. sequenceDiagram · Consumer-->API: Book somethingOpen in Playground
33. sequenceDiagram · participant AliceOpen in Playground
34. sequenceDiagram · Alice->>John: Hello John, how are you?Open in Playground
35. sequenceDiagram · A->>B: I #9829; you!Open in Playground
36. sequenceDiagram · autonumberOpen in Playground
37. sequenceDiagram · participant AliceOpen in Playground
38. sequenceDiagram · participant AliceOpen in Playground