Where xxxxx is your instance. Remember to recheck accessing to the complete URL. If stil unable to link, check in LCS Should your instance is up and functioning. This informative article describes ways to configure the .env file that is used for the event setting in Microsoft Dynamics 365 Commerce. https://zanegtfpa.thechapblog.com/20004295/a-review-of-https-dev-oluyck764f43093189f727devaossoap-cloudax-dynamics-com