Ardunio uno rev4

Hi all,
I have my app connected to my ardunio uno rev4. I have it sending data. Problem is when im printing this data to the serial monitor it just prints zer0 weater i send a string, integer etc. Any idea's as to what this could be

Post your code and blocks.

Need more of a BLE expert for this.

Any one?

Ok. As i said it is connecting no problem and data is been sent only thingbis its constantly a zero even when i change from writesstringwithresonse tonwriteintergerswithresponse

One thing I notice now.

You register for strings in the app, but you don't have the BLE event block that catches the incoming list of strings and displays them.

I dusted this off from my junk box: