Convert DateTime claim to string in Azure AD B2C custom policy

Question

I had a look at the below Date transforms documented but couldnt find one which converts datetime to string. How would you achieve this in the custom policy?

https://docs.microsoft.com/en-us/azure/active-directory-b2c/date-transformations

Reason is AssertDateTimeIsGreaterThan takes input claims as string type. I want to pass currentDateTime to this transform! However as the currentDateTime is of type datetime, it fails!

Regards, Dipesh

user_8357357 · Answer

You can use https://docs.microsoft.com/en-us/azure/active-directory-b2c/date-transformations#datetimecomparison

Then assert the Boolean https://docs.microsoft.com/en-us/azure/active-directory-b2c/boolean-transformations#assertbooleanclaimisequaltovalue

This allows you to work with dateTime and Boolean to perform the comparison and assertion.

Convert DateTime claim to string in Azure AD B2C custom policy

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