Chocolate and Caramel Swirl cake?

I want to make a chocolate cake with gooey runny caramel swirled within it. I have a can of Top n' fill caramel which is the caramel you would find in a caramel slice for example. If I were to use a chocolate cake mix, blend it all together... could I then swirl in some caramel and the cake would still... show more I want to make a chocolate cake with gooey runny caramel swirled within it.

I have a can of Top n' fill caramel which is the caramel you would find in a caramel slice for example.

If I were to use a chocolate cake mix, blend it all together... could I then swirl in some caramel and the cake would still cook fine and the caramel remain gooey?

Thanks!
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