1. A reception apparatus comprising: a memory; and circuitry configured to receive audio video content, extract trigger information for operating an application program transmitted along with said audio video content and executed in interlocked relation to said audio video content, acquire a correspondence table for associating said trigger information with commands for controlling the operation of said application program, store said application program and said correspondence table in said memory, based on the stored correspondence table, determine said commands associated with the extracted trigger information, and control the operation of said application program in response to the determined commands.