# List Picker , BLE uuid doesnot exist

**URL:** <https://community.thunkable.com/t/list-picker-ble-uuid-doesnot-exist/3686092>\
**Category:** Questions about Thunkable X\
**Created:** [March 24, 2025, 6:00pm UTC](https://community.thunkable.com/t/list-picker-ble-uuid-doesnot-exist/3686092 "2025-03-24T18:00:22Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![alvaelectronics8ve7r](https://avatars.discourse-cdn.com/v4/letter/a/dfb087/32.png) [@alvaelectronics8ve7r](https://community.thunkable.com/u/alvaelectronics8ve7r)\
**Post date:** [March 24, 2025, 6:00pm UTC](https://community.thunkable.com/t/list-picker-ble-uuid-doesnot-exist/3686092/1 "2025-03-24T18:00:22Z")

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Hi ,  
I am using thunkable companion .  
In the design , i dint see the List picker block and the BLE UUID does not exist how can i check these blocks ?  
It would be good if you could guide me I will share the screenshot

 ![Screenshot (111)](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/3/6/36c8796b7c35f53a641926d7e7ed9d44a2dd9127.png)  
 ![Screenshot (112)](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/4/e/4e2d43370cc25a83c3fe61ebbbcfa9bdc298c7b6.png)  
 ![Screenshot (113)](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/b/f/bf24509b130cc1cac40a0fa620e6c51956d69119.png)

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**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:** [March 24, 2025, 7:10pm UTC](https://community.thunkable.com/t/list-picker-ble-uuid-doesnot-exist/3686092/2 "2025-03-24T19:10:53Z")

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Hello @alvaelectronics8ve7r  
You will need to add the simple list component to your screen and then you can use the blocks that are in our docs: [Bluetooth Low Energy Blocks | Thunkable Docs](https://docs.thunkable.com/blocks/advanced-app-features/bluetooth-low-energy)

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**Author:** ![system](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/0/f/0f59f292712368bce16ff80133ae10de8a6f27e8.png) [@system](https://community.thunkable.com/u/system)\
**Post date:** [June 22, 2025, 7:11pm UTC](https://community.thunkable.com/t/list-picker-ble-uuid-doesnot-exist/3686092/3 "2025-06-22T19:11:36Z")

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Closed on June 22, 2025, 7:11pm UTC

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