How to process data import from cst to matlab

In completing the final task, I designed a 5G beam sterrable array antenna on cst software. Then i want to process on matlab software using import data from cst and show different scanning angles 0 degree, 30 degree, 60 degree radiation on antenna array in matlab software, what should i do? I also do not know the steps that must be done. Can someone teach me? For your esteemed help, thank you very much.