1- Log in to your TheBeeHost Clientarea / Account
2- Open Your Domains Section
3- Now select your domain
and click on Manage Nameservers
4- Put Your Hosting Nameservers in this format
5- Nameserver successfully added
Propagation will take some time.
6- Now log in to your cPanel
and add your domain in your cPanel
Find ADDON DOMAIN option there
Now fill this from according to screenshot
Now You Are Done.
If you are still facing any issue
then submit a ticket to technical department