You have a coinbase wallet? You need to go in there and look for Bitcoincash and it's personal wallet address. I believe you find it if you click in one of the corners. It starts with: Bitcoin....

Next you go to read.cash wallet by clicking on your amount! Click on "send my money" A screen pops up. Fill out the amount first Next your Bitcoin:......address and click OK and wait a few minutes. It goes really fast. Good luck 🍀