# AddHeader Method

## Overloads

| [AddHeader(String, Object)](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.Communication.IO.Request.AddHeader.htm#Qlik_Engine_Communication_IO_Request_AddHeader_System_String_System_Object_) |  | Method for adding JSON RPC headers to a Request object |
| --- | --- | --- |

[](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.Communication.IO.Request.AddHeader.htm) [](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.Communication.IO.Request.AddHeader.htm)

## AddHeader(String, Object)

Method for adding JSON RPC headers to a Request object

### Declaration

```

          public void AddHeader(string key, object value)
    
  
```

### Parameters

| Type | Name | Description |
| --- | --- | --- |
| System.String | key | Header key that should be added to request |
| System.Object | value | Header value that should be added to request |