You are able
to customize Alfresco by using custom content types. These customizations are typically deployed via the
alfresco/extension folder and require the Alfresco server to be re-started to take effect. Since version 2.9, Alfresco supports dynamic models to facilitate the dynamic customization of models without requiring a restart of the Alfresco server.
Dynamic models are nothing but XML based model files that are uploaded to Alfresco's repository in the
Company Home/Data Dictionary/Model space.
The following are the advantages of Dynamic models: