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how to override language preferences in GDPR modals based on page lang

how to override language preferences in GDPR modals based on page lang

‎08-21-2020 06:39 AM - edited ‎08-21-2020 07:28 AM

‎08-21-2020 06:39 AM
Bronze Contributor
Bronze Contributor

Hello,

I am trying, for the GDPR "Explicit Consent Prompt" and "Consent Preferences Dialog" to override the user's browser's language preferences with the page HTML's lang attribute (accessible via JS:

document.documentElement.lang

and I see in the docs we should use this script to override the language preference:

window.utag_cfg_ovrd = window.utag_cfg_ovrd || {}; 
window.utag_cfg_ovrd.gdprDLRef = "<some data layer var e.g. meta.lang/page_lang>";


it, unfortunately, doesn't seem to work for me.


So far I have tried:

window.utag_cfg_ovrd = window.utag_cfg_ovrd || {};
window.utag_cfg_ovrd.gdprDLRef = document.documentElement.lang;


but also:

window.utag_cfg_ovrd = window.utag_cfg_ovrd || {};
window.utag_cfg_ovrd.gdprDLRef = "fr";


or:

window.utag_cfg_ovrd = window.utag_cfg_ovrd || {};
window.utag_cfg_ovrd.gdprDLRef = '<html lang="fr">';



none seem to be working for me, what am I missing?
I am thinking I am maybe adding it to the wrong place? So far I was adding it to the Explicit Consent Prompt JS.

Thanks!

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‎08-21-2020 06:39 AM
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4 REPLIES 4

how to override language preferences in GDPR modals based on page lang

Re: how to override language preferences in GDPR modals based on page lang

‎08-25-2020 02:08 AM

‎08-25-2020 02:08 AM
Tealium Employee

Hi @raphaelF 

So the gdprDLRef  actually refers to a data layer property name.

So in your data layer you would have:

utag_data = {
......
page_lang: document.documentElement.lang
};

Then you would set the override like so (in a preloader extension):

window.utag_cfg_ovrd = window.utag_cfg_ovrd || {}; 
window.utag_cfg_ovrd.gdprDLRef = "page_lang";

When the consent modals appear they will then look at utag.data[utag_cfg_ovrd.gdprDLRef] which would then give back the language to use.

Adrian

Ask me anything Tealium related or TypeScript/JavaScript, or NodeJS.
Please remember to mark solutions as accepted for future searchers.
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‎08-25-2020 02:08 AM
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how to override language preferences in GDPR modals based on page lang

Re: how to override language preferences in GDPR modals based on page lang

‎08-25-2020 02:40 AM

‎08-25-2020 02:40 AM
Bronze Contributor
Bronze Contributor
Hello @adrian_browning and thanks a lot for your answer !
I have a stupid question but:
- to edit the data layer should I do it via the "IQ Tag Management > Data Layer > Variables" ? and in there add an UDO variable ? or should I add it directly in my HTML to the var utag_data = {...} I add via script ?
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‎08-25-2020 02:40 AM
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how to override language preferences in GDPR modals based on page lang

Re: how to override language preferences in GDPR modals based on page lang

‎08-25-2020 03:54 AM

‎08-25-2020 03:54 AM
Tealium Employee

Hi @raphaelF 

So you can go down the route of updating your page utag_data object.
However, if you can't or don't want to go down that route, I would suggest using a preloader extension to add it into the datalayer object.

So something like:

window.utag_data = window.utag_data || {};
window.utag_data.page_lang = document.documentElement.lang;

I would suggest to also add page_lang to the data sources tab in iQ so that others now of its existence.

Adrian

Ask me anything Tealium related or TypeScript/JavaScript, or NodeJS.
Please remember to mark solutions as accepted for future searchers.
2,659 Views
‎08-25-2020 03:54 AM
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how to override language preferences in GDPR modals based on page lang

Re: how to override language preferences in GDPR modals based on page lang

‎08-25-2020 05:10 AM

‎08-25-2020 05:10 AM
Bronze Contributor
Bronze Contributor

Hey @adrian_browning,
Thanks a lot again for your answers ! Turned out my issue was I forgot to turn my extension as "Pre Load" scope.
For future reference, this is the way I fixed it:
- In IQ Tag Management > create an extension, set its scope as "Pre Load", and paste this code:

window.utag_cfg_ovrd = window.utag_cfg_ovrd || {};
window.utag_cfg_ovrd.gdprDLRef = "page_lang";

- in the script added directly to my HTML pages, I added the object property:

page_lang: document.documentElement.lang

it now works perfectly.
Thanks again !

 

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‎08-25-2020 05:10 AM
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