[Home](./index.md) > [@firebase/firestore](./firestore.md) > [lite](./firestore_lite.md) > [CollectionReference](./firestore_lite.collectionreference.md) ## CollectionReference class A `CollectionReference` object can be used for adding documents, getting document references, and querying for documents (using [query()](./firestore_.query.md)). Signature: ```typescript export declare class CollectionReference extends Query ``` Extends: [Query](./firestore_lite.query.md)<T> ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [id](./firestore_lite.collectionreference.id.md) | | string | The collection's identifier. | | [parent](./firestore_lite.collectionreference.parent.md) | | [DocumentReference](./firestore_lite.documentreference.md)<[DocumentData](./firestore_lite.documentdata.md)> \| null | A reference to the containing DocumentReference if this is a subcollection. If this isn't a subcollection, the reference is null. | | [path](./firestore_lite.collectionreference.path.md) | | string | A string representing the path of the referenced collection (relative to the root of the database). | | [type](./firestore_lite.collectionreference.type.md) | | (not declared) | The type of this Firestore reference. | ## Methods | Method | Modifiers | Description | | --- | --- | --- | | [withConverter(converter)](./firestore_lite.collectionreference.withconverter.md) | | Applies a custom data converter to this CollectionReference, allowing you to use your own custom model objects with Firestore. When you call [addDoc()](./firestore_.adddoc.md) with the returned CollectionReference instance, the provided converter will convert between Firestore data and your custom type U. | | [withConverter(converter)](./firestore_lite.collectionreference.withconverter_1.md) | | Removes the current converter. |