Back to Tutorials Index... ## Variable and Command Definitions Beside these two mandatory attributes (name and identifier), a node may possess several optional attributes. ###Variable Definitions A node may be annotated with a sequence of local variable definitions. These variables may be of any type that is valid in this node and have to be initialized with a default initialization expression. ### Command Statements A node may be annotated with a sequence of command statements. Among others, the Textual Expression Language allows the specification of variable assignments, commands which cause the playback of a Scenegroup or a Scene as well as function calls to predefined functions of the underlying implementation language.
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