Example of how to display a Cartodb layer (using the layergroupid) after initializing

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I have successfully created a named map. I can initialize the map (as seen here), and I do get the correct response. Now, to my problem.

How do I show this layer (using the layergroupid I got as a response) on a map with CartoDB.js?

When I look at the documentation I see:

You can then use the layergroupid for fetching tiles and grids as you would normally (see anonymous map section)

In the anonymous section, I see the following

The tiles can be accessed using: http://{account}.cartodb.com/api/v1/map/:layergroupid/{z}/{x}/{y}.png

How is this done on the client side? Are there any examples out there where you start with a blank map, initialize a named map and add that layergroupid to the map? I have not managed to find such a thing.



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