Select a scenario, and then, in the workspace, select the Actions tab.
The Actions section appears, displaying a list of available actions.
In the row for the action to which you want to add resources, select the link in the Resource Usage column.
The Resource Usage subsection appears.
Select
The New Resource Usage from Existing Resources window appears.
Enter values in the available fields, and then select Finish.
Your new action appears in the Resource Usage subsection.