Then you will have to generate your own custom LOGIN.
Pay attention!!! → Wix-CRM and PMD are NOT synchronized! You will have to synchronize it on your own as i can remember.
What does it mean? And what to do, when using CODE?
Creating new Contact by CODE…
https://www.wix.com/velo/reference/wix-crm-backend/createcontact
Creating new PMD-Entry… but wait, perhaps this one already will help you out…
What is exactly your wished function?
You want to generate predefined logins, which you later can apply to USERs?
What about the → “Member-Approval-Option”?
Until you did not approved the user, he isn’t able to login?
-manual approval
-approval by session-token
-approval by e-mail
-direct approval during/after registration