Hello Sofie,
In our marketplace, generally when any customer makes payment for any order then it directly gets credited to admins account and then admin transfer the vendors amount to his account manually after deducting his commission.
However, if you have purchased any payment method for vendors i.e. Vendor Paypal Adaptive Addon then as soon as any transaction will be made by the customer for vendor's product the amount will get split and both admin & vendor will receive his share automatically.
Hope this answers your query, still if you have any doubt then please update here.
Thanks