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argument_number(++Functor, ++AttributeName, -AttributeNumber, -Default)

Helper to access attributes of visualization and visualizer terms
Functor
returns the current node id number
AttributeName
atom, attribute name
AttributeNumber
variable, will be instantiated to the argument number of the attribute name searched for
Default
default value used for attribute; value system(_) states that value is set by system not user,

Description

Internal use only

See Also