You want to create a new onboarding rule.

To create a new onboarding rule, you accomplish this in the Privileged Vault Web Access (PVWA) by navigating to Accounts > Onboarding Rules. Once there, you can click on Create rule to start the New onboarding rule wizard and proceed with the configuration of the rule. This process allows you to set up rules that automatically onboard newly discovered accounts, minimizing manual effort and reducing the chance of human error1.

References:

CyberArk Docs - Onboarding rules