https://www.dotnetzone.gr:443/cs/blogs/abekiaris/archive/2013/11/16/xaf-easy-custom-members-what-s-new-in-13-2.aspxWith our next major release (13.2), we have simplified the manner in which you are able to add custom and computed fields to existing business models. The functionality is available to both developers and end-users. Once beta 1 is released, you can exploreelCommunityServer 2.1 SP3 (Build: 20423.1)