I could not find FieldPath in the cloud_firestore Flutter plugin, however, I would assume that this is a very common tool that would be one of the first impleme
FieldPath
This works for me. (I am not sure this is what you wanted.)
Firestore.instance.collection('/collection-name') .where(FieldPath.documentId, isEqualTo: _someID) .snapshots().listen((snapshots){ /* */ });