How to Redirect an Addon Domain

Login to cPanel > Select the Addon Domain Function.
Ensure the domain in question you wish to redirect has already been added to your account. It will be listed under Current Addon Domains. If it is not then you must add the domain before proceeding.
Scroll down to the bottom half of the page. From the drop down menu, select the domain in question you wish to redirect. Then select Setup Redirection.
Enter the address to which you wish the domain to redirect and select Save.