how i can store log and graphics on microSD on RB433AH

Hello, i need save log data and graphics on microsd, becouse When power is down is lost this data, can enybiody help me whit this or is not possible?.

thanks in advance,

ARIEL HORAS
Systemas MicroInformaticos
Tunuyan-Mendoza-ARGENTINA

I have same RB and looking for advice what to do with microsd slot option,

thanks.