To unvote an idea, complete the following steps:
1. To find out whether you have already vote an idea, retrieve a list of the people who have voted the idea and see if your name is included. See Getting a list of recommenders
for more details. Alternatively, complete the following steps:
a. Retrieve an ideas feed that contains the entry. See Getting a feed of the latest posts added to all blogs
or Getting a feed of recent posts for a blog
for more information.
b. Find the Recommendations collection element for the idea, and then look for a
element. If this element is present,you can vote this idea. If no
is present, you have not vote the idea yet ,you can't unvote it. For example, the Recommendations collection for an idea that you have voted would look as follows:
<app:categories fixed="yes" />
2. To unvote an idea, send an empty DELETE request to the web address listed as the href of the app:collection.