Get attribute value from a topic category

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Hello guys,

I have a loop on my template that creates divs based on attributes gathered from my page.

For exemple, this code is working for me:
$sections = $c->getCollectionAttributeValue('position');

and then I create divs using $sections var.

But I'm using selection attribute type and instead I wanted $sections to be a list of a topics from a specific category.

Could someone give me a hint how to do this?
thanks!