2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/175401In a previous work we showed that, in a suitable setting, one can use diffeomorphism invariance in order to derive gravitational field equations from boundary terms of the gravitational action. Standing by our results we reply here to a recent comment questioning their validity.Accepted for publication in PRDGeneral Relativity and Quantum Cosmologytext