CCS/CC3220SF-LAUNCHXL: CC3220SF- Power management Sleep and Wake Up Mode - Using real time Clock

Tool/software: Code Composer Studio

Hai,

i'm working with CC3220SF Launchpad --> power Management ( Sleep and Wake up mode) using RTC clock )

CC3220SF inbuild RTC---> how to active and set the time at sleep and wake up mode 

i'm try to demos power management(example)----->    

*** Power management use case Options : ***

1) Hibernate
2) LPDS
3) Transceiver Mode
4) Intermittently Connected
5) Always Connected

Please enter your Power management use case selection: 1
Device Configured to the selected Power Management use case.
Entering Hibernate, Start measure current..!
Woken from Hib.
Intermittently Connecting...

i will try to hibernate sleep mode ---> wake up using External trigger (sw2)

but i need to RTC based board sleep and wake up...

how to add and set the time (RTC clock)

any other how to set the RTC time at power management 

and Hibernate mode wake up ---> based one timer or RTC 

Thanks 

SELVA