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3SL Reference

Activity Diagram (act)

An «activity» stereotype can be defined on a bdd and then it's behaviour (i.e. logic) can be specified using an Activity Diagram (act). An act is used to model the behaviour of each Activity (i.e. also known as an operation) assigned to a Block (e.g. automobile block). The behaviour specifies the transformation of inputs to outputs through a controlled time ordered sequence of actions (e.g. steps of a process). The act is the primary representation for modelling flow-based behaviour in SysML and is analogous to the functional flow diagram that has been widely used for modelling system behaviour.

The following two acts have many of the possible symbols that can be used:

Example act

Example act