[Home](./index.md) > [@firebase/firestore](./firestore.md) > [/](./firestore_.md) > [DocumentChange](./firestore_.documentchange.md) > [newIndex](./firestore_.documentchange.newindex.md) ## DocumentChange.newIndex property The index of the changed document in the result set immediately after this `DocumentChange` (i.e. supposing that all prior `DocumentChange` objects and the current `DocumentChange` object have been applied). Is -1 for 'removed' events. Signature: ```typescript readonly newIndex: number; ```