What is the function of a correlation rule in SailPoint?

The function of a correlation rule in SailPoint is primarily focused on matching identities. Correlation rules serve to establish connections between identities in the identity governance framework, ensuring that the system accurately recognizes and merges information regarding users from various sources. This is particularly important in environments where user data may come from multiple systems, such as Active Directory, HR systems, or databases.

By effectively matching identities, correlation rules help maintain a unified identity profile for each individual. This capability is crucial in preventing duplicates and ensuring a single source of truth for an individual's identity information. The correct application of these rules leads to better governance, reporting, and compliance, as organizations can manage user permissions and entitlements based on accurate identity data.

The other options, while relevant in the context of identity management, do not align with the specific purpose of correlation rules. Granting permissions, deleting obsolete identities, and importing data from external sources are separate functions within SailPoint's broader identity management capabilities.