Inertia relief / Nodal mass extraction

Hi guys,

I am wondering if it is possible to perform a Inertia Relief (https://www.quora.com/How-does-Inertia-Relief-method-work-in-FEA-Does-the-solver-calculate-acceleration-for-each-and-every-node-gauss-points-separately) in Sofistik.

If not directly… Is there a way to extract Nodal masses from de cdb by means of @KEY?
(by nodal masses I am assuming sofistik performs calcualtions considering masses as lumped in nodes)

Thanks