All attributes found within the savedsearches.conf file can be edited through the Advanced edit option within the Splunk GUI by navigating through the Settings menu in the top left and clicking on Searches, reports and alerts. The resulting screen will list all the existing searches, reports, and alerts. Underneath the Actions column, the Advanced edit option can be clicked, exposing all of the underlying savedsearches.conf configurable attributes:
The Advanced edit option is quite powerful as it exposes all possible attributes that can be configured within the savedsearches.conf