Need help please

Hello experts, Few days ago i have posted a query to call a third party to depiose evidence during cross examinatiin of my opponent petitioner. I have been said that yes i can by filing application that it is for fair justice. My question is how then pw1 statement continues in cross sheet or how this recording of second person, a lady, will be done in between pw1. Please advice. I am asking bcoz there is a lady whose strong evidence wid my husband i have nd she has married smone else whom she was commited during all these wid my husband ruing our life frm 1st day. So i want to call her at the earliest by court only prefebly rather than disclosing to her husband personally. Please advice. Thanks