Displaying and Hiding UIBB in FPM(OVP) based Roles

Hi FPM Guru,

                      I have developed a FPM(OVP) application where I am using 6 UIBB's. Based on the role assigned to user I need to show the UIBB to respective user in FPM application. Please let me guide how to achive this.

Thanks,

Gaurav