 The current version is Documentum 16.4, released in February 2018.Documentum functionality is made available through application programming interfaces (API) including web services, WebDAV, FTP, Java, Documentum Foundation Classes, Documentum Query Language (DQL), Web Development Kit API (WDK), SMB/CIFS and CMIS.Most of the customization in the basic product is done using the DFC (Documentum Foundation Classes), a comprehensive but rather dated (as of 2015) collection of Java APIs.