The play-through requirement attached to Casino Bonus Funds makes it so that funds are wagered in a certain order. The first bucket of funds wagered is the original deposit, if the Casino Bonus Funds are rewarded as a part of a deposit bonus. The next funds that will be wagered are the winnings accrued during the play through of that deposit, if any. Then, bonus rewards including the Bonus Funds issued from the relevant promotion will be played through.
Upon completion of the play-through requirement within the Play-through Period, the Casino Bonus Funds and any winnings associated with them are be converted to cash and added to your cash balance, making it available for withdrawal.