How to: Add, Modify, or Delete a Source Field (Model Designer)
You can add new source fields, or attributes, to entities and folders.
To add a source field
In the Detail view (right pane), click the model item.
On the Reporting Model menu, click New Source Field.
Alternatively, you can create a new source field, by right-clicking the model item, pointing to New, and then clicking Source Field.
In the Properties area, assign the appropriate properties.
To modify a source field
In the Detail view, click the attribute you want to modify.
In the Properties area, change the appropriate properties.
To delete a source field
In the Detail view, right-click the source field, and click Delete.