Select the Delegated Access too from the Tool Menu.
Click the Shopping Admin button.
Note: You must have Shopping Admin access in order to see this option.
Click on the root node and continue expanding nodes to select the appropriate node(s) and/or site(s). If you want to configure a single shopping period for all sites in your Sakai instance, you can skip this step.
Optionally, set advanced options for the shopping period.
Once you have configured all settings, click Save.