How to force French language only for Employee Center portal (not backend)?

[Abdelkader TABA]

Hi Community,

We have a requirement where our Employee Center portal (Service Portal) must always display in French, regardless of the user’s language preference or session language. However, we want users to keep their backend UI (platform) in English or their preferred language.

Is there a standard, supported way to force the portal language to French only, without impacting the rest of the user's experience (i.e., without setting sys_user.language to French)?

We’ve considered:

• Adding ?lang=fr to the URL → works, but not ideal for all entry points

• Using gs.getSession().setLanguage('fr') in widgets → doesn’t persist reliably or triggers late

• Injecting redirection scripts in layout or theme → works but not fully standard

Is there any built-in configuration (in sp_portal, sp_page, etc.) that allows portal-level language control?

Thanks in advance for your help and best practices!
AT

[Ankur Bawiskar]

@Abdelkader TABA 

Hope you are doing good.

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[Abdelkader TABA]

Thank you @Ankur Bawiskar .