When you configure Zeppelin notebooks in Domino, Helium packages are automatically available to use. To access them, follow the steps below to find and enable the package you wish to use.
1) Click the anonymous drop down in the top right corner and select Helium
2) Find the package you wish to use by searching for the name or browsing through the groups (Visualization, Spell, Interpreter, Application)
3) Enable the package by clicking 'Enable' and then 'Ok' in the pop up menu