[TYPO3-commerce] commerce with checkboxes for some articles

[Christian Welzel]

Hi there,

we have a small shop based on tx_commerce 0.13.12 and it works well.
Now we want to add some cost-free products for promotion. But the
customer should only add one item to the basket for each of these
products. Is there a way to realise this easily? Limit a product
to one, or show a checkbox instead of a input field?

-- 
 MfG, Christian Welzel

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