# Start(string, string, Options, int)

> This method starts a new progress indicator.

## Definition

* **Type:** Method
* **Namespace:** [UnityEditor](/engine/6000.7/script-reference/unityeditor.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public static int Start(string name, string description = null, Progress.Options options = Options.None, int parentId = -1)
```

### Parameters

**** (\[string]\(https\://learn.microsoft.com/dotnet/api/system.string)): The progress indicator's name. You can display the name as a title in the progress window. Use / (slash) as a separator to group child progress indicators together.**** (\[string]\(https\://learn.microsoft.com/dotnet/api/system.string)): The progress indicator's initial description. You can change it using Report or SetDescription.**** (\[Options]\(/engine/6000.7/script-reference/unityeditor/progress/options)): The progress indicator's initial progress options.**** (\[int]\(https\://learn.microsoft.com/dotnet/api/system.int32)): The unique ID of the parent progress indicator, if any. If the progress indicator has no parent, pass -1.

### Returns

| Type                                                       | Description                                                                                                      |
| ---------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------- |
| [int](https://learn.microsoft.com/dotnet/api/system.int32) | The newly created progress identifier. This identifier is used for all other APIs to update the progress status. |

### Examples

```csharp
public IEnumerator Run_TwoTasks()
{
    var title1 = "Running task 1...";
    var title2 = "Running task 2...";
    int progressId1 = Progress.Start(title1);
    int progressId2 = Progress.Start(title2);

    Progress.ShowDetails(false);
    yield return null;

    for (int frame = 0; frame <= 10; ++frame)
    {
        Progress.Report(progressId1, Random.value);
        yield return WaitForSeconds(0.5f);
        Progress.Report(progressId2, Random.value);
        yield return WaitForSeconds(0.5f);
    }

    Progress.Remove(progressId1);
    Progress.Remove(progressId2);
}
```