public interface IJobsManager 

// Get the job Id associated with the active map view
var jobManager = WorkflowClientModule.JobsManager;
var jobId = jobManager.GetJobId();

// Get the job Id associated with a map
mapUri = "myMapUri"; // Get a reference to a map using the ArcGIS.Desktop.Mapping API (active view, project item, etc.)
var jobManager = WorkflowClientModule.JobsManager;
var jobId = jobManager.GetJobId(mapUri);