Issue

For example, data layer object as follows:

var dataLayer = window.dataLayer || [];
var dataLayer = [{
    'some':'thing',
    'products': [{
            'name': 'Gibson J-200',
            'tuning': 'High-G',
            'price': 449.75
        },{
            'name': 'Fender Stratocaster',
            'tuning': 'Drop-C',
            'price': 1699
    }],
    'stores': ['Los Angeles', 'New York'],
    'employee': {'name': 'Reggie'}
}];

If you create a Data Element in DTM using array notations as the following figure, it returns default value configured as "DLJSDefault" instead of correct value "Gibson J-200":

rtaImage_1

Environment

Dynamic Tag Management/Activation

Cause

 While using the JavaScript Object Data Element type, Dynamic Tag Management does not support array notations.

Resolution

To use array notations, use a Data Element of type 'Custom Script':

rtaImage_2

You can use the following script for the example scenario:

return window.dataLayer["0"].products["0"].name;

This script returns the value "Gibson J-200" from the example data layer.

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