I want the list in the dropdown to be unique values in a form.
What do I have to put in the 'populatingSearch' element to make sure every value is unique?
Let's say your're populating the dropdown with hosts, you can dedup a few ways in Splunk.
One way would be to dedup the field host:
... | dedup host
Another would be to use stats
... | stats values(host) as host
I generally use the dedup command in this situation: http://docs.splunk.com/Documentation/Splunk/5.0.3/SearchReference/Dedup
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I tried '| dedup host' but it returned nothing...
I got it to work with the following 'host | dedup host'
