I can only see string, int and boolean in the dropdown, but I need to create a custom attribute with StringCollection as datatype like Email Addresses attribute.
@YashwanthYenugu-6438 StringCollection datatype is available only in Custom Policy as of now. Refer to https://docs.microsoft.com/en-us/azure/active-directory-b2c/claimsschema#datatype for all available Datatypes in custom policies.
Also, let me know if the issue in your previous post (https://docs.microsoft.com/en-us/answers/questions/24450/how-to-resolve-aadb2c90047-the-resource-httpslocal.html) is resolved.
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