Giving complex boundary condition in fenics as boundary condition for eigen value problem

Herewith i have attached a screenshot of a set of boundary condition I have to apply in an eigenvalue problem. How should I apply as these involve combination neumann boundary condition woth complex coefficients.

Uploading: Screenshot_20230319-120858_Drive.jpg…

Your screenshot has not been uploaded, so this post doesn’t really help.

I think now it is fixed