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To model a Service in UML, actions are defined in activity diagrams. The actions are used to configure Bridge add-ons, or to implement atomic actions like manipulating strings, arrays, and so forth. For manipulating such entities, the Bridge provides the E2E xUML Action Language (EAL), which implements parts of the Action Semantics for the UML.
This language is used in a script like fashion in the action script part of the actions. E2E Builder The Scheer PAS BUILDER assumes that each action having the stereotype <<ActionScript>> contains an action script in the tagged value script. Expressions of the Action Language are not only used in actions but also in decision points to evaluate boolean Boolean expressions.
Many features defined in the action semantics specification are also found in the semantics of activity diagrams, for example: iterations, decisions, signals, etc. To avoid a redundant implementation of these features, the Action Script syntax of the E2E Bridge just supports language properties that are not - or not sufficiently - supported in activity diagrams, such as:

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