However everything is explained paypal in market the documentation vendor included in the script archive. Admin approval & payouts management of serenity users & vendor requests download protected pages formated number's. Folders free download system paid with seller diamond credits system diamond credits system balance/payouts system feeds/transactions/logs system login/register/lost password digital system multiple roles client. Paypal express checkout rest api marketplace (latest version) withdraw file uploader with product file thumbnail. Return page file downloading after payment download