1] Log in to your Duda dashboard, and click Clients → Client Management in the menu above.
2] Choose the website and press the Add Client button.
3] Fill in the Client information and choose Permissions.
Email: xyz@agency.com
Username: xyzdoamin
Permissions: Full editing capabilities, Content editing, Developer Mode, Blog, Publish and Republish. The client abc with xyz@agency.com email has been added.