1. Click on Settings2. Click on Business3. Click on Online payments4. Click on the required professional5. Click on No payment required at booking 6. Click on Optional link in confirmation email Your clients will now be able to pay their invoice within their appointment notification : Related ArticlesDisable Sending Emails and/or SMS by Service for All ClientsAdding tipsHow to use QuickBooks and GOrendezvous ?Payment by card in your point of saleHow can a client reschedule or change an appointment via email?