---
title: "Override meta tags using specific URL : force a stack to be triggered"
description: "AdManagement uses some <meta> tags during his lifecycle. You can now add or override these meta tags by adding key/values in the URL like this: https://yourwebsite.com/article/123414?pbstck_context:su"
---

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# Override meta tags using specific URL : force a stack to be triggered

AdManagement uses some `<meta>` tags during his lifecycle.

- `pbstck_context:xxxx` are used to decide the page context (and with that choose the correct stack)
- `ad:xxx` are used to prepare targetings sent to GAM

You can now add or override these meta tags by adding key/values in the URL like this:

`https://yourwebsite.com/article/123414?pbstck_context:subsection=blabla&ad:my_key=my_value`

The meta tag in the page are not modified, but AdManagement will use those values.

### *pbstck\_context:xxxx*

You can see the current page context in AdManagement’s logs. 

To have access to our logs, you can use `localStorage.kleanads="debug"`

And that, using the URL, we are overriding certain values.

### *![](https://help.pubstack.io/hs-fs/hubfs/Untitled%20(32)-png-1.png?width=502&height=307&name=Untitled%20(32)-png-1.png)*

### *ad:xxx*

You can see within the ad call's payload (GAM call) `cust_params` the new values retrieved from the URL. Those key values are sent at page level targeting.

![](https://help.pubstack.io/hs-fs/hubfs/Untitled%20(1)%20(1)-png.png?width=670&height=411&name=Untitled%20(1)%20(1)-png.png)

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