Google Tag Manager doesnt accept a basic GTAG script

user_5589594 0
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I am getting frustrated. I want to use custom html code in GTM, for numerous reasons. I am trying to integrate a basic Google Ads code via GTM, but it doenst accept the following :

 window.dataLayer = window.dataLayer || [];
    function gtag(){dataLayer.push(arguments);}
    gtag('js', new Date());
    gtag('config', 'AW-XXXXX');

GTM tells me that this is not valid :

"Error on line 10 and caracter 9 : This language feature is only supported for ECMASCRIPT_2015 mode or better: block-scoped function declaration."

Which is really irritating me, because it's their own code... any suggestions?

google-ads-script google-tag-manager
1 Answers

On a Google help page, it says you shouldn't use custom html code for gtag integration.

Please try this instead, turning the gtag function declaration into an expression:

window.dataLayer = window.dataLayer || [];
var gtag = function () { dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'AW-XXXXX');
user_19482920
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