Macro expression can be used for input ($.text ..) (it is evaluated while the window is opening). Caution: Macro expression $vb can not be used for input. Macro expression $.text it can be used both for configuration in the development environment, or in running application by writing into this property. This enables alarm/event item texts localization. In this property and on the disc in alarm/event history the corresponding macro expression is saved (not the macro expression result). It is then possible to switch the language while viewing the alarm/event history and the alarm/event item texts will be displayed in selected language.