WorkflowExecutionActivityView workflowExecutionActivity = workflowExecutionActivityMessageService.updateExecutionActivity(workflowExecutionActivityGuid, updateWorkflowExecutionActivityView) ResponseEntity.ok(workflowExecutionActivity)
The function workflowExecutionActivityMessageService.updateExecutionActivity takes the workflowExecutionActivityGuid and updateWorkflowExecutionActivityView and returns workflowExecutionActivity.