# Slot: startIndex


A non-negative integer value identifying the relative position within the logical view of a strictly ordered collection.

URI: [as:startIndex](http://www.w3.org/ns/activitystreams#startIndex)


## Domain and Range

None &#8594;  <sub>0..1</sub> [NonNegativeInteger](types/NonNegativeInteger.md)

## Parents


## Children


## Used by

 * [OrderedCollectionPage](OrderedCollectionPage.md)