delete.swift

gistfile1.txt

 print(dID)
         var db = Firestore.firestore()
        
        db.collection("bookings").whereField("UID", isEqualTo: dID).getDocuments() { (querySnapshot, err) in
          if let err = err {
            print("Error getting documents: \(err)")
          } else {
            for document in querySnapshot!.documents {
              document.reference.delete()
            }
          }
        }