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In your Userview, you may access the value by using this internationalization hash variable, #i18n.app.hello#. You may also use this hash variable in places such as plugin properties, form builder, and datalist builder.
Figure 2: Using Internationalization hash variable in the Userview Builder.
Depending on the choice of locale the user is in, the message will be displayed accordingly.
Figure 3: Preview of Hash Variable in Userview