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docs/Reference.md

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 ```
 
-Function will receive event object of `NativeSyntheticEvent<NativeScrollEvent>`
-type as an argument.
+Function passed to `onScroll` is called with a SyntheticEvent wrapping a nativeEvent with these properties:
+
+```
+contentInset
+contentOffset
+contentSize
+layoutMeasurement
+velocity
+zoomScale
+```
 
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