Need two additional field (label, privileges)

[suganyakaliyamoorthy]

Label need as array type because label going to hold list of user. privileges need as string type because privilege going to hold mode of backup privileges(private or public)

[indykish]

@vijaykanthm28 @rathishvbr I need to design doc. Don't have clue why this is needed. Hence returning it.

@vijaykanthm28 @rajthilakmca @vinomca-megam @suganyakaliyamoorthy @rathishvbr I am tired to writing APIs, since the full fledged functions in 1.5.2 have not proceeded to closure.