Kokulan, I am trying to get your code to compile on my machine. I installed the following NuGet packages, which resolved most of the errors: Microsoft.Xrm.Sdk.Workflow.2015 Microsoft.Xrm.Sdk.2015 But my project cannot resolve the WorkFlowActivityBase class. Is there a reference I should set or a NuGet package I should install to resolve this? Thank you. -Tim
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