When a user clicks the "Add to Cart" button on a product detail (LWR Store Components), i want to present a modal or interface allowing the user to select from multiple available carts (e.g., "Cart 1", "Cart 2", etc.) into which the product can be added.
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You’ll definitely need a custom approach using
LWC and Apexfor this.
I don’t see any out-of-the-box (OOTB) solutions that would cover this use case.