The Phantom App for Splunk allows a user to run Splunk queries from within Phantom. This app provides actions such as run query, ingest events, and save search, which enable the user to interact with Splunk from Phantom playbooks or the Phantom UI. The other apps are not relevant for this use case. The Splunk App for Phantom is used to send data from Splunk to Phantom. The Integrated Splunk/Phantom app is a deprecated app that was replaced by the Splunk App for Phantom. The Splunk App for Phantom Reporting is used to generate reports on Phantom activity from Splunk. The Phantom App for Splunk is the application that enables Splunk users to run Splunk queries from within the Splunk Phantom platform. This app integrates Splunk's data and search capabilities into Phantom's security automation and orchestration framework, allowing users to perform actions such as running searches, creating events, and updating records in Splunk directly from Phantom.