BLE Extension reliable link

Hi

I have downloaded this xxxx.aix file (see the link) to use in my MIT app but there are some missing options. For example, in DeviceFound block, there are no options such as (BluetoothLE1.DeviceFoundWithIndex(index, address, name, rssi). Where can I find a reliable BLE extension other than this place: (MIT App Inventor Extensions).
Regards
Mo

Is you blocks toolkit set to Default in Project Properties?

Hi
Yes

Can you get what you need using the provided blocks ?

Yes I can get all

Problem solved then ?

Can that work the same as the advanced option?

I wonder why I cannot get the value from a BLE sensor same as nRF app in my MIT app. I can successfully scan and connect to the device in my MIt app and want to get the sensor value (data) after pressing the Start button, same as nRF app (CC29 0493 6C39). I appreciate any help.