Google gtag Issue

Hi Brandon,

Is there a way to address this same issue within DTM? Any help on why this error occurs would be helpful.

Is the issue due to google expecting the data layer to be an object rather than an array? That's what is suggested here Google Tag Manager error: Uncaught TypeError: w[l].push is not a function - Stack Overflow Could the issue be addressed within dtm by placing the data layer in an array?

awesome!! thank you for adding the custom datalayer name. Everything works great now

It will just be for Launch. You will want to use custom code if you intend to do it for DTM.

Thank you for following up. Is there something similar for DTM?

Yeah this is code-complete and being tested but Adobe has a polciy to not release or change production code during the holiday when it's a very sensative time and there is less appetite for risk.  So this is likely to be released the first week of January.   If you are willing to test it before then, we can upload it to your org as a Private Extension and you could use it sooner.  It would however mean re-creating your rules if you wanted toswitch to the public one in January and take advatange of future updates.  But let us know.

Has there been an update on this?

that would be great, can't wait.

thanks for the feedback

We are working on adding a new parameter to the gtag extension configuration view that would allow you to rename Google's dataLayer to something else so that it would not conflict.  Hope to be able to get it released before too long but not exact date commitments at this point.

I don't know gtag, so I can't help there, but maybe you can configure gtag so the object it relies on is called differently.

One other, more complex solution would be to "mask" it by implementing all the array methods in your object and use them to operate on an internal array:

dataLayer._gtagDataLayer = [];

dataLayer.push = function(obj) {

    this._gtagDataLayer.push(obj);

};

dataLayer.pop = function() {

    return this._gtagDataLayer.pop();

};

//etc.

But again, maybe the dataLayer object from gtag has other functionality as you can do crazy stuff with javascript, so probably also ask in their forums how to proceed.