API Sigfox without prototype (SIGFOX_API_send_frame) and dont works. (STM32WL Single Core versions 1.1.0 and 1.0.0)

[MRebo.1]

The API (SIGFOX_API_send_frame) found in the examples of PushButton and AT_SLAVE of STM32WL SINGLE CORE (https://www.st.com/en/embedded-software/stm32cubewl.html), versions 1.1.0 and 1.0.0, is without prototype and the sigfox does not work (does not send). This is normal?

[IREMI.1]

STmicroelectronics doesn't have the body of the function which is property of Sigfox company and not disclosed. Sigfox only provide the library ... (object file)

[LCHAM.1]

Yes, it works with both STM32WLE5xB device too