http://blogs.msdn.com/jim_glass/archive/2008/04/30/calling-a-net-assembly-in-mscrm-4-0-workflows.aspxTo help you find what you are looking for, it may help to know that workflow .NET assemblies are called custom workflow activities in the SDK and are called workflow actions in the online help. Assuming you have already created and registered your workflowen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/jim_glass/archive/2008/04/30/calling-a-net-assembly-in-mscrm-4-0-workflows.aspx#8443764Wed, 30 Apr 2008 18:51:44 GMT91d46819-8472-40ad-a661-2c78acb4018c:8443764Microsoft news and tips &raquo; Calling a .NET Assembly in MSCRM 4.0 Workflows<p>PingBack from <a rel="nofollow" target="_new" href="http://microsoftnews.askpcdoc.com/workflow/calling-a-net-assembly-in-mscrm-40-workflows">http://microsoftnews.askpcdoc.com/workflow/calling-a-net-assembly-in-mscrm-40-workflows</a></p> http://blogs.msdn.com/jim_glass/archive/2008/04/30/calling-a-net-assembly-in-mscrm-4-0-workflows.aspx#8444656Wed, 30 Apr 2008 22:50:52 GMT91d46819-8472-40ad-a661-2c78acb4018c:8444656Menno te Koppele<p>Freaky CRM Link Love for April 2008</p>