# How to use Realtime\_DB.DataChanged block

**URL:** <https://community.thunkable.com/t/how-to-use-realtime-db-datachanged-block/45462>\
**Category:** Questions about Thunkable X\
**Created:** [September 7, 2018, 6:14am UTC](https://community.thunkable.com/t/how-to-use-realtime-db-datachanged-block/45462 "2018-09-07T06:14:50Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Patrick\_Elisha](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/patrick_elisha/32/68464_2.png) [@Patrick\_Elisha](https://community.thunkable.com/u/Patrick_Elisha)\
**Post date:** [September 7, 2018, 6:14am UTC](https://community.thunkable.com/t/how-to-use-realtime-db-datachanged-block/45462/1 "2018-09-07T06:14:50Z")

</div>

I am a new user finding it difficult to get value from Firebase Realtime DB in Thunkable x  
I could save data to DB but cannot retrieve. I may also need to know how to use listener block. Can someone please show me block examples.  
Thank you.

---

<div class="post-metadata">

**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, 12:00pm UTC](https://community.thunkable.com/t/how-to-use-realtime-db-datachanged-block/45462/2 "2024-11-08T12:00:26Z")

</div>