Why online gambling websites need Cashback feature?

Cashback or “cash back credit” is a promotion that gives cash back to customers. When the customer uses all the credit they added to play or loses all their money. According to promotion conditions by the money that the customer gets back When will it be sent into the system and returned to our players? You can customize it, such as daily, weekly, and monthly, or you can set it to accumulate losses as well. The details will be as follows.