Architecting and designing > SysML > Model Elements > Constraints
  
Constraints
According to the UML specification, a Constraint is an assertion that indicates a restriction that must be satisfied by any valid realization of the model containing the Constraint. A Constraint is attached to a set of constrainedElements, and it represents additional semantic information about those Elements.
There are several types of Constraints:
(Ordinary) Constraint
DurationConstraint
InteractionConstraint
IntervalConstraint
TimeConstraint
How to specify a constraint
For instructions on how to specify a constraint on a Model Element, see How to create a Constraint and associate it with a Model Element.
See also
Association Node
Block
Comment
Connector Node
Classifiers
Data Types
Dependency Nodes
InformationFlow Node
Instances
Ports
Property
Structured Classifiers
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