With Alfresco, Version 4.0, there are new extension points for the document
Client-side extension points
This also includes a jsNode client-side help object reference and a list of
Alfresco Share Document Library repository tier
In order to preserve existing customizations and third party add-ons, a parallel set of data web scripts has been developed for Version 4.0 to coexist with the previous data web scripts. These new web scripts are located in the remote-api project and have URLs starting with /slingshot/doclib2/.
Alfresco Share Document Library web tier