I came to the pharmacy for an order from Yandex Market and was offered a pharmacy card, asked for a code from SMS and a date of birth to activate the card. What can he talk about?

Question

Internet banking

I made an order on the Yandex market, came to the pharmacy, received the order, and the saleswoman offered to get a pharmacy card for accumulating bonuses, saying that she needed to activate it herself and asked for the SMS code that came to the phone at that moment. Those. They have my number after ordering from Yandex (I don’t know why, because I didn’t indicate it in the order, I only chose the pickup address), but why can there be such a scheme with card activation, in which it’s not the buyer who activates the card, but calls the code from SMS to the cashier and date of birth. Is it possible to expect any serious adverse consequences if the code with SMS is reported in such a situation, and if so, what kind?