# AsyncHandle Constructor

## Overloads

| [AsyncHandle()](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.AsyncHandle.-ctor.htm#Qlik_Engine_AsyncHandle__ctor) |  | Create a reusable handle to asynchronous method request. |
| --- | --- | --- |
| [AsyncHandle(String)](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.AsyncHandle.-ctor.htm#Qlik_Engine_AsyncHandle__ctor_System_String_) |  | Create a reusable handle to asynchronous method request |

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

## AsyncHandle()

Create a reusable handle to asynchronous method request.

### Declaration

```

          public AsyncHandle()
    
  
```

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

## AsyncHandle(String)

Create a reusable handle to asynchronous method request

### Declaration

```

          public AsyncHandle(string handle)
    
  
```

### Parameters

| Type | Name | Description |
| --- | --- | --- |
| System.String | handle | unique string value |