1. A method for reporting first information in a wireless communication system, the method performed by a user equipment (UE) and comprising:receiving, from a serving cell on a first frequency, second information which includes a request to report the first information;
acquiring, from a cell on a second frequency, system information including parameters related to a sidelink discovery procedure;
selecting a target cell on the second frequency;
reporting, to the serving cell, the first information which includes the parameters acquired from the system information and an identifier (ID) of the target cell; and
receiving a sidelink configuration related to the target cell from the serving cell,
wherein the second frequency is different from the first frequency,
wherein the first information is reported within a predetermined time duration, and
wherein the UE performs the sidelink discovery procedure on the target cell based on the sidelink configuration.