You probably have to use the bc-pay-button instead and add the preimage attribute once you receive a payment. https://github.com/getAlby/bitcoin-connect?tab=readme-ov-file#components
The bitcoin connect dev tools have an example of this (polling for an external payment and then setting the preimage to update the button)
roland / Roland
npub1zk…gl6ef
2024-10-13 14:57:05
in reply to nevent1q…j66w
Author Public Key
npub1zk6u7mxlflguqteghn8q7xtu47hyerruv6379c36l8lxzzr4x90q0gl6efPublished at
2024-10-13 14:57:05Event JSON
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