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When selecting this option an input appears where the parameter that holds the language value can be entered.
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You can also use the JS variable to access the localStorage and sessionStorage. Use
localStorage.{{variable_for_which_you_want_the_value_to_be_checked}}
and
sessionStorage.{{variable_for_which_you_want_the_value_to_be_checked}} respectively.
When you then press the ADD LANGUAGE button it will ask for the parameter value that should be matched.
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