Resume a SharePoint 2013 Workflow through CSOM

ClientContext spClientContext = new ClientContext("http://EmployeeSiteCollection/Site");

NetworkCredential spCredential = newNetworkCredential ("UserName", "Pwd");

spClientContext.Credentials = spCredential;

Microsoft.SharePoint.Client.WorkflowServices.WorkflowServicesManager spWorkflowServicesManager = new Microsoft.SharePoint.Client.WorkflowServices.WorkflowServicesManager(spClientContext, spClientContext.Web);

Microsoft.SharePoint.Client.WorkflowServices.WorkflowInstance spWorkflownInstance = spWorkflowServicesManager.GetWorkflowInstanceService().GetInstance(newGuid ("workflowInstanceID"));

 var initiationData = new Dictionary<string, object>();


spWorkflowServicesManager.GetWorkflowInstanceService().ResumeWorkflow(spWorkflownInstance);

spClientContext.ExecuteQuery();