How to evaluate i18n in Script?

Hello,
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we use Chronoforms6 for our registration form.
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On sending the form, there is a request to a database. If the email is known by a third party, there is a different text presented to the user than otherwise.
However, at this part we set a variable by a script and afterwards display the content of the variable.
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So far we realized it this way in setup of a form:
- evaluate recaptcha
- success: access DB and set a variable checkmembership={I:CF6_MEMBERSHIP}
- success: display a page with some text and variable {var:checkmembership}
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The page content part evaluates {var:checkmembership} to {I:CF6_MEMBERSHIP}, but that is not evaluated to the language specific string, which means no iterative evaluation is done.
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What might be the apropriate solution?
- do some magic so {var:checkmembership} evaluates to {I:CF6_MEMBERSHIP} and that evaluates to the desired text?
- access the i18n string itself in the script?
- something completely different?
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Kind regards,
Marco

Hi Marco,
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You can use the Data Builder for that, you use it to set some variable to some value (language string?) and then use that variable later!
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Best regards