How to add a Rotating frame in COMSOL?

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I have been working on a MEMS gyroscope design and I want to add a rotating frame along with other physics interfaces for simulations.I have used COMSOL electromechanical interface(emi) for electrostatic actuation. So I want to simulate the effect of Coriolis force and rotating frame should be added. There is a rotating frame domain boundary condition with emi interface in COMSOL 5.2. But it doesn't allow me to add any available domains to the rotating frame. When added it notifies domains as not applicable. I'm new to COMSOL and any idea on adding a rotating frame would be helpful. Physics interface used in the COMSOL model as in the image below.Thanks



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