Solution for "cloud firestore user collection group query"

db.collection("cities").where("capital", "==", true) .get() .then(function(querySnapshot) { querySnapshot.forEach(function(doc) { // doc.data() is never undefined for query doc snapshots console.log(doc.id, " => ", doc.data()); }); }) .catch(function(error) { console.log("Error getting documents: ", error); });

how to query in firestore

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