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During the implementation of the notifications in the visualization area there is no direct rule for the formation of alarm sign because in many situations there is no uniqueness. Currently, on the side of the typified data source templates, it is practiced a method of the formation an "err" error attribute with the code and text of the alarm, and their processing and the formation of notification is made in the visual image of the data object. Sometimes the processing the parameter's borders is made directly in the visual image of the data object.