# system.kanoa.event.getDowntimeDataByShiftSummary(assetId, startDate, endDate)

Returns summarized downtime data by shift - DEPRECATED BY getAssetStateEventsByShiftSummary()

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### Parameters
**assetId** `Integer`: Id of asset<br />
**startDate** `DateTime`: Start date<br />
**endDate** `DateTime`: End date<br />

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### Returns
**downtimeData** `pyDataset`<br />