authenticate() - Performs user authentication.
is_authenticated() - Returns authentication state.
post_score(Dictionary score_dictionary) - Reports a score data to iOS GameCenter. Generates new event with post_score type.
award_achievement(Dictionary achievent_dictionary) - Reports progress of achievement data to iOS GameCenter. Generates new event with award_achievement type.
reset_achievements() - Resets all achievement progress for the local player. Generates new event with reset_achievements type.
request_achievements() - Loads previously submitted achievement progress for the local player from iOS GameCenter. Generates new event with achievements type.
request_achievement_descriptions() - Downloads the achievement descriptions from iOS GameCenter. Generates new event with achievement_descriptions type.
show_game_center(Dictionary screen_dictionary) - Displays Game Center information of your game. Generates new event with show_game_center type when information screen closes.
request_identity_verification_signature() - Creates a signature for a third-party server to authenticate the local player. Generates new event with identity_verification_signature type.
get_pending_event_count() - Returns number of events pending from plugin to be processed.
pop_pending_event() - Returns first unprocessed plugin event.