WebSequenceDiagrams Notation

March 1, 2016 #uml supports notation for synchronous calls, asynchronous calls, return calls and activations.  These features are useful for documenting complex interactions with some of the operations happening in the background.  The example below illustrates these interactions (see for full documentation).


call flows


title call flows  
a->+b: sync call  
b->b: in process call  
b->>+c: async call  
c-->b: 202 Accepted  
b-->-a: return value  
c->d: background process  

Kevin Hakanson

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