Custom Portfolios are Portfolios created by yourself or your peers within you company account to DEMAND360 Enterprise. Custom Portfolios have the ability to be private to yourself or can be shared with your peers, or shared with you.
Custom Portfolios allow you to add a static list of Shows to a portfolio named by yourself and is created using Content Selector variant that finds Shows you are interested in and then allows you to add those Shows to portfolio.
Coming soon - will be the ability to populate a Custom Portfolio based upon the full functionality of the Content Selector and thereby inheriting criteria driven contents and therefore dynamic content rather than just a static list.
For how to build a Custom Portfolios see this guide: