In Course Navigation, click the Settings link.
Click the Apps tab.
View App Configurations
To configure an app, click the View App Configurations button.
Add New App
Click the Add App button.
Set Configuration Type
Select the Configuration Type drop-down menu and set the configuration type to Paste XML.
Add App Details
Enter the name of the App in the name field . Enter the consumer key in the consumer key field  and the shared secret in the shared secret field . This key and shared secret will be provided by the vendor.
Enter Configuration XML
Copy the XML code in the paste XML here field . Click the Submit button to link the App .
If you do not have your XML, Click the link below to generate your XML.
View the linked App.
To edit, see the placements, or delete the app, click the Settings icon . To edit the app, click the Edit link . To see the placements where an app can be enabled, click the Placements link . To delete the app, click the Delete link .