An Item Definition Option is a variant of an item. For example, the item below, Forbidden Planet, has an Item Definition Option called Video Quality. Video Quality has two choices: Standard Definition or High Definition. The two different resolutions, Standard Definition and High Definition, are the item option’s choices, while the Video Quality is the Item Definition Option.
The client app navigates to the item option’s selector as shown below and then posts to a selectaction URI to make a choice for the option.
Use Zoom and FollowLocation
This may seem like a long path to take in order to get the item’s options, but by using
FollowLocation you can get to the option and post to it with one request, see
Zoom for more information.