Bingo. But only to specific notes. In this example we see jb has shared a twitch URL. It is zaps to this note that I would want to appear via OBS. It could be "or any note containing the user's stream URL" or it could be "any specifically designated note". Doesn't really matter which

Look for all zaps, configurable options are look for zaps on note with this string, or configurable zaps on certain event by id.