Hiding Subcollections Craft theme

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Could anyone give me the coding needed to hide subcollections on Craft theme when they're empty? Also where I would need to place that code?

Any help would greatly appreciated.

Thank you!

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Hi,

That would be great! Once I add the twig  code to template files, will this automatically update subcollections to hide if empty?

Thank you!

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Could you let me know what I need to do to make this happen?

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If you could respond with a solution that would be great.