# AsExistingSessionViaProxy Method

## Overloads

| [AsExistingSessionViaProxy(String, String, Boolean)](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Sense.JsonRpc.ILocation.AsExistingSessionViaProxy.htm#Qlik_Sense_JsonRpc_ILocation_AsExistingSessionViaProxy_System_String_System_String_System_Boolean_) |  | Defining the location as a connection to Qlik Sense using an existing session. |
| --- | --- | --- |

[](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Sense.JsonRpc.ILocation.AsExistingSessionViaProxy.htm) [](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Sense.JsonRpc.ILocation.AsExistingSessionViaProxy.htm)

## AsExistingSessionViaProxy(String, String, Boolean)

Defining the location as a connection to Qlik Sense using an existing session.

### Declaration

```

          void AsExistingSessionViaProxy(string sessionId, string cookieHeaderName, bool certificateValidation = true)
    
  
```

### Parameters

| Type | Name | Description |
| --- | --- | --- |
| System.String | sessionId | The sessionId |
| System.String | cookieHeaderName | The name of the cookie specified in the QMC |
| System.Boolean | certificateValidation | Indicates if invalid certificates should be ignored |