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Copilot Studio - Publish & Channel Management
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Multilingual Agent embedded in an iFrame

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Hello,
 
I'm currently experimenting with Copilot Studio to create an agent for our website. The site is multilingual (FR and DE). When testing directly inside Copilot Studio, I can switch the agent's language through the interface. This will make the agent respond with the correct language.
 
However, when I embed the agent inside my Website using an iFrame (as the method provided inside Copilot Studio for publishing to a Website) the language of the agent doesn't change.
 
The interface messages like "You message here", or "x minutes ago" do change based on my browse language settings (or if I append locale=de-DE to the source URL if the iFrame). However, the responses from the agent are always given in the agents primary language (here FR).
 
Here is a CodePen showing the two iFrames side by side. One with fr-FR the other with de-DE:
 
 
Inside the Copilot STudio environnement, the agent uses German if I switch to it (see here):
 
As it works inside the test environnment of copilot studio, I figure there must be a way to have the same behaviour inside an iFrame. Or is there another recommended method to embed a multilingual agent inside a website?
 
Kind Regards
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