Thanks for the quick reply. Your solution is pretty much the same as what we are planning on doing - using the trigger 'Add to List' and going from there. I'm thinking we can probably send a single email with all the registration urls in it as well by using some custom fields. I still have to work out the logic of how to handle the registration urls of webinars that have already passed. If I can avoid having people fill out the form 4 times for each webinar, I'll be happy!
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