A variable can be any piece of info about Nomad such as a registry setting or even some computed value based on the current state of Nomad. This API is meant to be a flexible way of getting info out from Nomad which can be extended in future without breaking any COM interfaces. Currently the following three are the only supported variables:
The type depends on the variable in question, although the currently supported variables are all numeric.
Get the current value of Nomad setting "SSDEnabled":