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# addProgressRange(fromStart:toEnd:)

Adds a progress range to a given activity.

```
func addProgressRange(fromStart start: Double, toEnd end: Double)
```

## Parameters

`start`

The beginning of the new range to add. This should be fractional value between 0 and 1, inclusive.

`end`

The end of the new range to add. This should be larger than the `start` value and less than or equal to one.

## Discussion

---

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