expression error

arkiboys 9,516 Reputation points
2021-11-08T12:09:15.103+00:00

I do not get an error here in the visual expression builder but in the column pattern window the error is shows as:

Expression could not be evaluated for matched column.
Do you know why?
Thank you

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Azure Data Factory
Azure Data Factory
An Azure service for ingesting, preparing, and transforming data at scale.
9,338 questions
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Accepted answer
  1. MarkKromer-MSFT 5,186 Reputation points Microsoft Employee
    2021-11-08T22:50:55.36+00:00

    Try it using $$ instead of $0


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