Hi, I defined it myself: struct{  uint16_t min_int;  uint16_t max_int;  uint16_t slave_lat;  uint16_t timeout; }ppcp;Hope that helps.

According to STM32WB BLE stack programming guidelines - Programming manual (https://www.st.com/resource/en/programming_manual/dm00716581-stm32wb-ble-stack-programming-guidelines-stmicroelectronics.pdf) the handle for ppcp is (Appearance_handle + 2), ...