# How use firebase data changed **URL:** \ **Category:** Questions about Thunkable X\ **Created:** [July 6, 2018, 11:06am UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524 "2018-07-06T11:06:51Z")\ **Posts on this page:** 17\ **Page:** 1
**Author:** ![M\_Nguy\_n\_T\_n](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/m_nguy_n_t_n/32/20989_2.png) [@M\_Nguy\_n\_T\_n](https://community.thunkable.com/u/M_Nguy_n_T_n)\ **Post date:** [July 6, 2018, 11:06am UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524/1 "2018-07-06T11:06:51Z")
My app auto receive data when data changed in firebase. Please help me how can i use dataChaged function. Thank ![How%20can%20use%20firebase%20Data%20Changed](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/5/1/5189ad9f5809a863321b4a6c514be110b67590ce.png) ---
**Author:** ![actech](https://avatars.discourse-cdn.com/v4/letter/a/3d9bf3/32.png) [@actech](https://community.thunkable.com/u/actech)\ **Post date:** [July 6, 2018, 11:11am UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524/2 "2018-07-06T11:11:07Z")
You need to add the “Realtime\_DB.Add Listener” block to the initialization block “Screen.Starts” with the key to be listened to. An example at the very bottom of the help page [https://docs.thunkable.com/thunkable-cross-platform/create/components/data/realtime-db](https://docs.thunkable.com/thunkable-cross-platform/create/components/data/realtime-db) ---
**Author:** ![M\_Nguy\_n\_T\_n](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/m_nguy_n_t_n/32/20989_2.png) [@M\_Nguy\_n\_T\_n](https://community.thunkable.com/u/M_Nguy_n_T_n)\ **Post date:** [July 6, 2018, 11:12am UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524/3 "2018-07-06T11:12:10Z")
Can you show me the block. Thank ---
**Author:** ![actech](https://avatars.discourse-cdn.com/v4/letter/a/3d9bf3/32.png) [@actech](https://community.thunkable.com/u/actech)\ **Post date:** [July 6, 2018, 11:14am UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524/4 "2018-07-06T11:14:15Z")
![listener](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/b/f/bfb56a4f747de32e3f41fc932609408d8fa55452.png) ---
**Author:** ![M\_Nguy\_n\_T\_n](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/m_nguy_n_t_n/32/20989_2.png) [@M\_Nguy\_n\_T\_n](https://community.thunkable.com/u/M_Nguy_n_T_n)\ **Post date:** [July 6, 2018, 11:15am UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524/5 "2018-07-06T11:15:38Z")
i mean what is the key. I mean i wana receiver auto “171:231:30:63” bucket. Thank ![firebase%20data](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/3/4/344b2d05374759202d3c8803bf0d275860dd68ba.png) ---
**Author:** ![M\_Nguy\_n\_T\_n](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/m_nguy_n_t_n/32/20989_2.png) [@M\_Nguy\_n\_T\_n](https://community.thunkable.com/u/M_Nguy_n_T_n)\ **Post date:** [July 6, 2018, 11:15am UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524/6 "2018-07-06T11:15:59Z")
Thank you so muck Actech ---
**Author:** ![actech](https://avatars.discourse-cdn.com/v4/letter/a/3d9bf3/32.png) [@actech](https://community.thunkable.com/u/actech)\ **Post date:** [July 6, 2018, 11:18am UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524/7 "2018-07-06T11:18:25Z")
The key (this is the path at the node) is indicated via / from the root node, for example: Call a Waiter/171:231:30:63 ---
**Author:** ![actech](https://avatars.discourse-cdn.com/v4/letter/a/3d9bf3/32.png) [@actech](https://community.thunkable.com/u/actech)\ **Post date:** [July 6, 2018, 11:22am UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524/8 "2018-07-06T11:22:15Z")
Have you been able to listen to the desired field or something is not working? ---
**Author:** ![M\_Nguy\_n\_T\_n](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/m_nguy_n_t_n/32/20989_2.png) [@M\_Nguy\_n\_T\_n](https://community.thunkable.com/u/M_Nguy_n_T_n)\ **Post date:** [July 6, 2018, 11:22am UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524/9 "2018-07-06T11:22:40Z")
Actech My project In key “171:231:30:63” have another key. How can i receive all key and value. My block not working ![How%20can%20use%20firebase%20Data%20%201](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/b/4/b4575200999dff9b431fad164f7067aea6dfa499.png) ---
**Author:** ![M\_Nguy\_n\_T\_n](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/m_nguy_n_t_n/32/20989_2.png) [@M\_Nguy\_n\_T\_n](https://community.thunkable.com/u/M_Nguy_n_T_n)\ **Post date:** [July 6, 2018, 11:24am UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524/10 "2018-07-06T11:24:43Z")
Can you show me what the error? ---
**Author:** ![actech](https://avatars.discourse-cdn.com/v4/letter/a/3d9bf3/32.png) [@actech](https://community.thunkable.com/u/actech)\ **Post date:** [July 6, 2018, 11:25am UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524/11 "2018-07-06T11:25:34Z")
First, try to just get the desired field using the Realtime\_DB.Get block. You can get any parent fields, because the JSON format is used here. ---
**Author:** ![actech](https://avatars.discourse-cdn.com/v4/letter/a/3d9bf3/32.png) [@actech](https://community.thunkable.com/u/actech)\ **Post date:** [July 6, 2018, 11:26am UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524/12 "2018-07-06T11:26:27Z")
If you give me a link to your project, then I will correct the error. ---
**Author:** ![M\_Nguy\_n\_T\_n](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/m_nguy_n_t_n/32/20989_2.png) [@M\_Nguy\_n\_T\_n](https://community.thunkable.com/u/M_Nguy_n_T_n)\ **Post date:** [July 6, 2018, 11:28am UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524/13 "2018-07-06T11:28:07Z")
my link [https://x.thunkable.com/copy/bad6f58c12128759f995d72419c4bc29](https://x.thunkable.com/copy/bad6f58c12128759f995d72419c4bc29) ---
**Author:** ![actech](https://avatars.discourse-cdn.com/v4/letter/a/3d9bf3/32.png) [@actech](https://community.thunkable.com/u/actech)\ **Post date:** [July 6, 2018, 11:28am UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524/14 "2018-07-06T11:28:17Z")
Ok. ---
**Author:** ![M\_Nguy\_n\_T\_n](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/m_nguy_n_t_n/32/20989_2.png) [@M\_Nguy\_n\_T\_n](https://community.thunkable.com/u/M_Nguy_n_T_n)\ **Post date:** [July 6, 2018, 11:30am UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524/15 "2018-07-06T11:30:12Z")
Thanks you ---
**Author:** ![Md\_Ariful\_Islam](https://avatars.discourse-cdn.com/v4/letter/m/ec9cab/32.png) [@Md\_Ariful\_Islam](https://community.thunkable.com/u/Md_Ariful_Islam)\ **Post date:** [July 1, 2019, 10:01am UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524/16 "2019-07-01T10:01:50Z")
I have a problem about real-time db get data from firebase using thunkable x . Anybody’s here who solv my problem ---
**Author:** ![ioannis](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/ioannis/32/146956_2.png) [@ioannis](https://community.thunkable.com/u/ioannis)\ **Post date:** [November 8, 2024, 12:02pm UTC](https://community.thunkable.com/t/how-use-firebase-data-changed/34524/17 "2024-11-08T12:02:10Z")