You can store parts of the selected card into variables. Open the Cards block settings and add a mapping, then choose what to extract and which variable to save it to. Add multiple rows if you want to store several fields.Fields you can save:
Image URL: the URL of the selected card image.
Title: the selected card title.
Description: the selected card description.
Button: the label of the button the user clicked on the selected card.
Internal Value: a hidden value defined per card, ideal for stable identifiers (IDs, slugs). Configure it in a card’s settings under “Internal value”.