Google Tag Manager can be enabled for each of your online sites. While it is possible to configure multiple Google Tag Manager container IDs against a site, you cannot currently use more than one..
1.Open the Content Management application from the Desktop.
The Sites|Search page appears.
2.Search for and select the site that you want to work with.
The Site|Basic page appears.
3.Select the Applications tab.
The Sites|Applications page appears.
4.Select Google Tag Manager from the 'Applications' field.
5.Click ' Add Attribute'.
A new attribute row appears.
6.Select Google Tag Manager Container ID from the ' Name' dropdown.
7.Enter your Google Tag Manager Container ID that you received when you configured your container within Google Tag Manager in the 'Value' field.
8.Click 'Apply'.
A window confirms that the site was updated.
9.Click OK'.
