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A participant property describes the end of an association in the internal
structure of an association block.
It is a stereotype ?«participantProperty?» (or ?«participant?» for short) of the UML
element property.
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An association block is the association class of SysML. SysML extends the concept
by ways to describe the structure of an association block in an internal block
diagram.
The participant property is a property of the association block. It contains a
reference to a property that is specifi ed by a participant. This means that you can
also list participants in the internal block diagram of an association block, in addition
to the usual structures.
As a reference, a participant property is shown with dashes in the internal
block diagram. The referenced participant property is denoted as stereotype attribute
end within curled brackets ( Figure 4.42 ).
4.5.8 Data Types
UML defines four primitive data types: Boolean , Integer , String , and Unlimited
Natural . SysML adds the data types Real for real numbers and Complex for complex
numbers ( Figure 4.


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