Question: What is the primary purpose of the SS_LocationInfoEvent API in the context of Service Enabler Architecture Layer for Verticals (SEAL)?
Option 1: To manage Quality of Service (QoS) parameters for User Equipment (UE) in a network.
Option 2: To facilitate communication between UE and Application Servers for multimedia services.
Option 3: To handle authentication, authorization, and accounting (AAA) for vertical services.
Option 4: To enable subscription, reception, and management of UE's location information by a Vertical Application (VAL) server.
Explanation: The SS_LocationInfoEvent API is specifically designed to allow a VAL server to interact with the location management server for subscribing to, receiving, and managing updates of a UE's location information, crucial for various vertical applications relying on UE geographical location for service provision.