How does the collapsing function of this “show more” button work?

How does the collapsing function of this “show more” button work? How should I set it?
What is inside the column with the “collapsible content”?

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Hello,

Please read our documentation on how to use that functionality: https://xtemos.com/docs-topic/read-more-button-for-text-or-section-row/

Feel free to reach out to me anytime when you have anything more to say.

Kind Regards

[Author]

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