Create an app, with the guide from the following link (please follow the instructions to create client credentials flow), which will provide you with client_secret and client_id:
​https://developer.delinea.com/docs/client-credentials-flow
​

Delinea Tenant Domain:
Your Delinea domain is specific to your organization. It typically follows a format similar to https://yourcompany.delinea.com. If you're unsure about the exact domain, you can check with your IT department or the administrator who set up your Delinea account.

Fill in your client_secret, client_id and the platform tenant domain and press connect.