Shared credential must be already created. To create shared credential for domain user, read How to create shared credential for domain users.
To assign shared credential to an endpoint:
Log in to the Oloid Portal.
On the Home page of the portal, click Endpoints on the left panel menu.
The Endpoints page is displayed.
Click on an endpoint name to edit from the listed endpoints.
The Endpoint details page is displayed.
Go to Settings tab> Shared Credentials> +Assign Shared Credential.
The Assign Shared Credential pop-up box is displayed.
On the pop-up box, select Domain Shared Credential(s) from the drop-down list.
The domain shared credential is successfully assigned to the endpoint.