You can customize or extend MarketConnect promotions through template modifications and hooks. Modify an existing Client Area Homepage panel. This example customizes the contents of an existing panel in the Client Area Homepage. Modify an item in the Client Area navigation menu. This example customizes a menu item to ensure that it opens a new browser tab. The Other tab in General Settings allows you to configure additional WHMCS settings. You can enable opt-in settings for marketing emails, user management in the Client Area, file encoding, and more. Rearrange the Client Area navigation menus. This example customizes the display order of the items in the Client Area navigation menu. Rearrange the Client Area Homepage panels. This example uses a hook to change the order in which Client Area Homepage panels appear. Rearrange the Client Area sidebar menus. This example customizes the display order of the items in the Client Area sidebar menu. Remove an item in the Client Area navigation menu. This example uses hooks to remove a main navigation menu item and a child menu item. Remove a Client Area Homepage panel. This example uses a hook to remove the Register a New Domain panel from the Client Area Homepage. Remove an item in the Client Area sidebar menu. This example removes a sidebar item on all pages or conditionally on specific pages. We plan to permanently remove support for legacy Smarty tags in WHMCS 9.0. You must remove these tags from your customizations. Troubleshoot and resolve Email Send Aborted By Hook errors. Transliteration converts text from one writing system into another. You can use transliteration to replace characters in client profile data.