Resolved! For STM32WB to start transferring data in file p2p_server_app.c need push button SW1 in the Nucleo board, BUT how was created the variable - "CFG_TASK_SW1_BUTTON_PUSHED_ID"
I know that "CFG_TASK_SW1_BUTTON_PUSHED_ID" was set in the header file (/app_conf.h), but just set, no morein the Datasheet the button for Nucleo board SW1 connected to a PC4 pin, but in CubeMX for project "p2p_server" I didn't find any mentions abou...