Adding a User in the Reading Access Diagram
You can add a person or person group in the reading access diagram.
Adding a person in the reading access diagram 
To add a person in the reading access diagram:
1. Open the reading access diagram.
2. In the diagram insert toolbar, click Person , then click in the diagram.
*If the Person icon is not present in the insert toolbar, add it from the View > Views and Details menu.
The Add Person dialog box appears.
3. In the Name field, click the arrow to find the person then click Connect.
*To add a new person, in the Name field, enter the name of the person then click Create. Also create the login of the person.
Adding a person group in the reading access diagram
To add a person group in the reading access diagram: 
1. Open the reading access diagram.
2. In the diagram insert toolbar, click Person Group , then click in the diagram.
*If the Person Group icon is not present in the insert toolbar, add it from the View > Views and Details menu.
The Add Person Group dialog box appears.
3. In the Name field, click the arrow to find the person group then click Connect.
*To add a new person group, in the Name field, enter the name of the person group then click Create. Also create the login of the person group.