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# HKCumulativeQuantitySeriesSample

A sample representing a series of cumulative quantity values.

```
class HKCumulativeQuantitySeriesSample
```

## Topics

### Accessing Data

[`sum`](/documentation/HealthKit/HKCumulativeQuantitySeriesSample/sum)

The sum of all the quantities in the series.

### Specifying Predicate Key Paths

[`HKPredicateKeyPathSum`](/documentation/HealthKit/HKPredicateKeyPathSum)

The key path for accessing the sum of a quantity series inside a predicate format string.

## See Also

[`HKQuantitySeriesSampleQuery`](/documentation/HealthKit/HKQuantitySeriesSampleQuery)

A query that accesses the series data associated with a quantity sample.


---

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