# Set Third Party Gateway URLs & Click Tracking
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{% hint style="warning" %}
**Warning:** Before modifying advanced settings discussed in this article, [contact support](https://app.impact.com/support/portal.ihtml?createTicket=true) or reach out to your CSM.
{% endhint %}
#### View and modify third-party gateway URL parameters
1. From the top navigation bar, select  **\[User profile] → Settings**.
2. In the *Program* column, find *Tracking*, and select **Gateway**.
3. Scroll down to the *Third Party Gateway URL* field.
4.  **\[Toggle on]** the *Send all traffic through a third-party gateway URL* section for further details as seen below.
5. If you want to route traffic through a third-party URL, you can configure the URL, along with any query string parameters you want attached.
* If you use a third-party tracking system, you can use this feature to record click data in that system.
Query string parameter reference
| Parameter | Description |
| ----------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `{gwlurl}` | Your gateway landing page URL to which all visitors will be redirected populated by the `{gwlurl}` token to ensure accurate tracking. |
| `{clickid}` | The unique click ID assigned to the click event. |
| `{iradid}` | The referring ad ID. |
| `{ircid}` | The referring program ID. |
| `{irpid}` | The referring Partner ID. |
| `{iradname}` | The referring ad name. |
| `{iradtype}` | The referring ad type. |
| `{iradsize}` | The referring ad size (width x height). |
| `{prodsku}` | The SKU for the product in the referring ad. |
| `{irmpname}` | The referring partner name. |
| `{irmptype}` | The referring media type. |
| `{sharedid}` | The ID provided by the referring partner. |
| `{irmpgroupname}` | The partner group name(s). |
| `{mp_value1}` | The Custom Partner Value 1 for the referring partner. |
| `{mp_value2}` | The Custom Partner Value 2 for the referring partner. |
| `{mp_value3}` | The Custom Partner Value 3 for the referring partner. |
| `{timestamp}` | A UNIX timestamp. |
| `{randint}` | A random integer between 0 and 10,000,000 (excluding 10,000,000). |
| `{CUSTOM}` | This allows you to capture values that were passed in the tracking link. For instance, if you sent `http://trackinglink.com?myvar=1`, then you could add `{myvar}` to use that in the tracking template. |
#### View and modify click tracking settings
1. From the top navigation bar, select  **\[User profile] → Settings**.
2. In the *Program Settings* column, find *Tracking*, and select **Gateway**.
3. In *Click Track Settings*, modify the duration of the click tracking window.
* The default is the IAB standard 30-minute rolling window, meaning each new click (associated with the same `ClickId`) will keep the click tracking session active.
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