This is some sketch for B-L072Z-LRWAN1 a.k.a STM32L0 Discovery kit LoRa, Sigfox, low-power wireless from ST, This Discovery kit features the all-in-one CMWX1ZZABZ-091 open module by Murata.
This is some sample arduoino sketch you can open my github here
Happy Coding
Salam ngoprek
kak eko 