[Home](./index.md) > [@firebase/firestore](./firestore.md) > [lite](./firestore_lite.md) > [DocumentReference](./firestore_lite.documentreference.md) > [firestore](./firestore_lite.documentreference.firestore.md) ## DocumentReference.firestore property The [FirebaseFirestore](./firestore_.firebasefirestore.md) the document is in. This is useful for performing transactions, for example. Signature: ```typescript readonly firestore: FirebaseFirestore; ```