# DoSave Method

## Overloads

| [DoSave(String)](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.App.DoSave.htm#Qlik_Engine_App_DoSave_System_String_) |  | Saves an app. All objects and data in the data model are saved. |
| --- | --- | --- |

[](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.App.DoSave.htm) [](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.App.DoSave.htm)

## DoSave(String)

Saves an app. All objects and data in the data model are saved.

### Declaration

```

          public void DoSave([QixName("qFileName")] string fileName = null)
    
  
```

### Parameters

| Type | Name | Description |
| --- | --- | --- |
| System.String | fileName | Name of the file to save. |

### Implements

[IApp.DoSave(String)](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IApp.DoSave.htm#Qlik_Engine_IApp_DoSave_System_String_)