http://blogs.msdn.com/cliffgreen/archive/2008/05/30/sharepoint-webs-web-service-createcontenttype-and-updatecontenttype.aspxI was experimenting with the SharePoint Webs web service CreateContentType and UpdateContentType methods recently. The goal was to create a base content type and update it by adding an additional column with a separate web service call. According to theen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/cliffgreen/archive/2008/05/30/sharepoint-webs-web-service-createcontenttype-and-updatecontenttype.aspx#9061872Wed, 12 Nov 2008 13:10:28 GMT91d46819-8472-40ad-a661-2c78acb4018c:9061872Sudip<p>Thanks a lot </p> <p>This was a lifesaver</p>