I added a new type of image format `3d` in my commercewebservices-spring.xml.
I want to access this new format in my product-images.component in Product Detail page, something like:

```
<ng-container *ngIf="mainImage$ | async as main">
    <div *ngIf="main.3d as 3d">

```

But I get an 'unresolved variable', so I guess I need to add this new format elsewhere in spartacus or there is something I'm missing.

Could anyone help with this? Thanks a lot in advance.