Google is Ending Transactions for Conversational Actions in Most of Europe
Due to new regulatory requirements. Giving you the possibility to withdraw from your online purchase within 14 days

Google Assistant will no longer support transactions through its Conversational Actions voice apps in most of Europe starting in May, according to a note sent to developers and added to support documents. Citing new regulations, Google is shutting down the feature in eight countries; Denmark, France, Germany, Italy, the Netherlands, Norway, Poland, Spain, and Sweden.
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