useOnChildChangedQuery.mdx

title	useOnChildChangedQuery

Subscribe to child_changed events on a Realtime Database query.

Usage

import { ref } from "firebase/database";
import { useOnChildChangedQuery } from "@tanstack-query-firebase/react/database";

const messagesRef = ref(database, "messages");
const { data: snapshot } = useOnChildChangedQuery(messagesRef, {
  queryKey: ["database", "childChanged", "messages"],
});