Birthday Card Coworker I Got Invited To A Birthday Party. The Invite Says "monetary Gifts Only." Can I Give A Gift Card?

I got invited to a birthday party. The invite says "monetary gifts only." Can i give a gift card? - birthday card coworker

Or if you are looking for cash or a check? I think that the money is in cash or by check in bad taste, because this game is for a colleague. What?