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1. Same code as above, but with additional fields for the options
2. Options are passed as two parameters to checkout OptionName# and OptionValue# where # is an incrementing number. We use the $velocityCount variable to automatically assign the number during the foreach loop.
3. Only drop down options are being displayed in this example.
4. Options are configured using the Options tab when editing an Item. LINK?

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This scenario is fairly complex to code. We have a separate tutorial on Modifying Item Variations on in a Catalog SiteStoreFront that you should read. This code is taken from that tutorial though to make this a complete example here.

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