Identify difference between time entries done through Web clock vs time card?

Summary:

How do we identify and differentiate time entries done through Web clock vs time card.

Content (required):

We are trying to track usage of time card vs time clock by users. Subject area : Workforce Management-Reported Time Cards real time is showing 'Device Event Device ID = Web clock' for all the entries.

Is there a field or method to identify if user used time cards or web clock?

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