public class OpenProProjectItemsStepCommandArgs 

// Get the job Id associated with a running OpenProItems step for a Pro Add-In module

// In the Add-In Module class, override the ExecuteCommandArgs(string id) method and return a Func<Object[], Task> object like the sample below
// Refer to the Workflow Manager ProConcepts Sample Code link for an example

//protected override Func<Object[], Task> ExecuteCommandArgs(string id)
//{
//    return func1;
//}

Func<Object[], Task> func1 = (object[] args) => QueuedTask.Run(() =>
{
    try
    {
        // Get the jobId property from the OpenProProjectItemsStep arguments and store it.
        OpenProProjectItemsStepCommandArgs stepArgs = (OpenProProjectItemsStepCommandArgs)args[0];
        var jobId = stepArgs.JobId;
        ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show($"Got job id from ProMappingStep args: {jobId}", "Project Info");

        // Run the command specified by the id passed into ExecuteCommandArgs
        IPlugInWrapper wrapper = FrameworkApplication.GetPlugInWrapper(id);
        var command = wrapper as ICommand;
        if (command != null && command.CanExecute(null))
            command.Execute(null);
    }
    catch (System.Exception e)
    {
        ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show($"ERROR: {e}", "Error running command");
    }
});