[Home](./index.md) > [@firebase/firestore](./firestore.md) > [/](./firestore_.md) > [SnapshotListenOptions](./firestore_.snapshotlistenoptions.md) ## SnapshotListenOptions interface An options object that can be passed to [onSnapshot()](./firestore_.onsnapshot.md) and [QuerySnapshot.docChanges()](./firestore_.querysnapshot.docchanges.md) to control which types of changes to include in the result set. Signature: ```typescript export declare interface SnapshotListenOptions ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [includeMetadataChanges?](./firestore_.snapshotlistenoptions.includemetadatachanges.md) | boolean | (Optional) Include a change even if only the metadata of the query or of a document changed. Default is false. |