| id | The progress indicator's unique ID. | 
| progress | A new progress value between 0 and 1. | 
| description | An updated description of the progress indicator. If the the progress status has not changed, or you do not set a description, this is null. To clear the current progress description, pass an empty string such as "". | 
| currentStep | An updated current step. | 
| totalSteps | An updated total number of steps, from start to finish. | 
Reports a running progress indicator's current status.
        When you report in steps, you can set the label for the steps with Progress.SetStepLabel.
Note: Changes are applied on the next application tick unless you call this function from the main thread using a synchronous progress indicator (see Synchronous).
See Also: Progress.Report, Progress.GetProgress, Progress.GetDescription, Progress.SetDescription.