In this post, I'll show you how to easily and cleanly create a dynamic dropdown in an AEM Content Fragment Model driven by an ACS AEM Commons Generic List. What are Content Fragments? But first, what are Content Fragments? Content Fragments are a powerful feature in Adobe Experience Manager (AEM) for managing structure content. Each Content Fragment has a model which defines the structure of the Content Fragment. To edit the model, Adobe provided an editor with common fields. Including, text fields, number fields and dropdowns (called Enumerations).