Need to modify the Schedule Deviation logic to exclude breaks in Employee Time Card

Summary:

We are looking to modify the Schedule Deviation appears in Time Totals to exclude breaks in Employee Time Card.

Currently the Schedule Deviation shows the difference between Reported hours and schedule hours. The difference includes break and additional hours in our case .We need to exclude the break and show only additional hours in Schedule Deviation.

Could anyone help in providing the fast formula behind Schedule Deviation or anyone has a similar requirements to modify the Schedule Deviation logic.

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