Winow does open with switch and slid into door on 1997 Dodge Caravan

Someone out there know this answer ? Real hot day. almost 100, my 97 Dodge Caravan was in driveway. I went to open electric window on passenger side and heard a snap. I have removed door panel and rubberized cover. Temporarily, I porpped up the winow. It had slid down into the door. FOund a piece of broken white plastic , i'm guessing clip and nothing else. What holds window in place on track. What should I be looking for ?

Asked by for the 1997 Dodge Caravan
You need to change the window regulator available at or at the local Napa store about $90 plus shipping
does the entire regulator have to be changed, or can just the damaged tape/cable be replaced ?