Quizier Rewards plugin by default allow users to convert diamonds into cash by making a withdraw request that is processed manually from admin panel of Quizier.
Understanding Withdrawal Settings
The withdraw settings are available under Rewards > Settings > Withdrawal
Accept Withdraws
Accept withdraws switch by default is enabled after installing and activating the plugin and disabling the switch will disable the withdraw system from end users, which means users will not be able to make a withdraw request.
Price Per Diamond
The price per diamond is the amount of diamond that are equal to the currency setting. Lets say your site currency is US Dollar and you enter 100 in the Price per diamond that means 100 diamond = $1
Withdraw Threshold
Withdraw threshold is the minimum amount of diamond that user can withdraw.
Withdrawal Processing
Withdraw requests can be processed automatically using PayPal Only or Manually. In manual payments you receive the withdraw request send money manually and change the request status from Withdraw Requests page. On Automatic payments when you approve the Withdraw request system will generate a PayPal Payout request on the account linked as funding source, read Use Site PayPal Settings for further details.
Use Site PayPal Settings
This option is usable only if you have automatic withdrawal processing selected. You can either use your PayPal Payment Gateway configurations as your funding source or you can setup a new funding source by selecting option "No" in the Use Site PayPal Settings option.
When you select option No in the Use Site PayPal Setting new fields will appear below the setting as shown in above screenshot. Similar to PayPal Gateway Settings you can configure PayPal app and fill the credentials in the settings.