Kindly follow the steps to add package/create new hosting account/create email ID.
1. Login in WHM
2. In left side there is search option please type package
3. Click on add package and add package according your requirement
4. again in search options please type create
5. click on create new account and. fill the domain information and select package for the domain
6. please save information of newly created account (username & password)
7. For the cpanel access please use following URL
8. After login in newly created account in search option type email account and create new email ID.