Method and apparatus for registration type addition for service negotiation

A method performed by a session management function (SMF) entity in a communication system, the method comprising:

• receiving, from a policy control function (PCF) entity, a first message to transmit information associated with a location of a terminal, wherein the information associated with the location of the terminal indicates that the terminal entered or left a specific area, and the first message includes information on the specific area determined by the PCF entity based on a spatial condition associated with the location of the terminal;
• identifying the terminal entered or left the specific area;
• transmitting, to the PCF entity, a second message including the information associated with the location of the terminal based on the identification;
• and
• receiving, from the PCF entity, a third message including information for selecting a user plane function (UPF) entity for traffic routing of the terminal.

A session management function (SMF) entity in a communication system, the SMF entity comprising:

• a transceiver;
• and
• a controller coupled with the transceiver and configured to:
• receive, from a policy control function (PCF) entity, a first message to transmit information associated with a location of a terminal, wherein the information associated with the location of the terminal indicates that the terminal entered or left a specific area, and the first message includes information on the specific area determined by the PCF entity based on a spatial condition associated with the location of the terminal,
• identify the terminal entered or left the specific area,
• transmit, to the PCF entity, a second message including the information associated with the location of the terminal based on the identification, and
• receive, from the PCF entity, a third message including information for selecting a user plane function (UPF) entity for traffic routing of the terminal.