What can a Workflow action do?

A Workflow action in Splunk is a feature that enhances user interaction by allowing specific actions to be tied to search results or dashboard elements. The utility of a Workflow action can span across various functionalities, making it a versatile tool for users.

Executing a secondary search allows users to drill down into more detailed data directly from the initial search results with just a click, facilitating deeper analysis without the need to re-enter queries. This makes exploring data more seamless and intuitive.

Directing users to a specified URI can link them to external resources, documentation, or secondary dashboards that provide additional context or functionality related to the data displayed. This enhances the user experience by connecting the data insights with relevant external information.

Sending field values to external sources allows for integration with other systems or applications, enabling users to utilize Splunk data in broader workflows or processes outside of Splunk itself. This is particularly useful for automating reporting and data-handling processes.

Since all of these functionality aspects are integral to what a Workflow action is designed to accomplish, the choice indicating all of the above is correct. It encapsulates the full range of capabilities that Workflow actions offer for enhancing data interaction and usability in Splunk.