Change
The Change node will compare the previous message to the next one received and only output when there is a change on the key referenced.
![Screen Shot 2015-12-15 at 10.45.58 AM.png 1076](https://files.readme.io/QaXmxhUgSTmmxwvITK2V_Screen%20Shot%202015-12-15%20at%2010.45.58%20AM.png)
Sample Flow
https://app.octoblu.com/bluprints/import/e40767f3-0581-4beb-912b-1bd79cfc6409
Updated less than a minute ago