Show Inbox in 'Custom Tabs'

Hello,
i yust started to explore elgg.
i installed 'Custom Tabs' in v1.8. Now i would like to show the Inbox of the User in one of these tabs.
What code i have to insert in the tab1.php to show the Inbox?

Beginning Developers

Beginning Developers

This space is for newcomers, who wish to build a new plugin or to customize an existing one to their liking