chariot_race_payout_effect

chariot_race_payout_effect = {
	scope:activity = {
		every_guest_subset = {
			name = spectators
			save_scope_as = current_gambler
			if = {
				limit = {
					var:wager_type ?= flag:win
					var:wager_target ?= scope:activity.var:first_place
				}
				set_or_increment_lucky_better_variable = yes
				add_character_flag = successful_bet
				scope:activity = {
					add_activity_log_entry = {
						key = chariot_race_betting_char_outcome_key
						score = 100
						show_in_conclusion = yes
						character = scope:current_gambler
						scope:current_gambler = {
							add_gold = {
								value = scope:current_gambler.var:wager_value
								multiply = scope:activity.var:first_place.var:win_payout
								max = scope:current_gambler.monumental_gold_value
							}
						}
						change_variable = {
							name = chariot_race_pot
							subtract = {
								value = scope:current_gambler.var:wager_value
								multiply = scope:activity.var:first_place.var:win_payout
							}
						}
					}
				}
			}
			else_if = {
				limit = {
					var:wager_type ?= flag:place
					OR = {
						var:wager_target ?= scope:activity.var:first_place
						var:wager_target ?= scope:activity.var:second_place
					}
				}
				set_or_increment_lucky_better_variable = yes
				add_character_flag = successful_bet
				scope:activity = {
					add_activity_log_entry = {
						key = chariot_race_betting_char_outcome_key
						score = 100
						show_in_conclusion = yes
						character = scope:current_gambler
						scope:current_gambler = {
							add_gold = {
								value = scope:current_gambler.var:wager_value
								multiply = scope:activity.var:second_place.var:place_payout
								max = scope:current_gambler.monumental_gold_value
							}
						}
						change_variable = {
							name = chariot_race_pot
							subtract = {
								value = scope:current_gambler.var:wager_value
								multiply = scope:activity.var:second_place.var:place_payout
							}
						}
					}
				}
			}
			else_if = {
				limit = {
					var:wager_type ?= flag:show
					OR = {
						var:wager_target ?= scope:activity.var:first_place
						var:wager_target ?= scope:activity.var:second_place
						var:wager_target ?= scope:activity.var:third_place
					}
				}
				set_or_increment_lucky_better_variable = yes
				add_character_flag = successful_bet
				scope:activity = {
					add_activity_log_entry = {
						key = chariot_race_betting_char_outcome_key
						score = 100
						show_in_conclusion = yes
						character = scope:current_gambler
						scope:current_gambler = {
							add_gold = {
								value = scope:current_gambler.var:wager_value
								multiply = scope:activity.var:third_place.var:show_payout
								max = scope:current_gambler.monumental_gold_value
							}
						}
						change_variable = {
							name = chariot_race_pot
							subtract = {
								value = scope:current_gambler.var:wager_value
								multiply = scope:activity.var:third_place.var:show_payout
							}
						}
					}
				}
			}
			# Handle team based bets
			else_if = {
				limit = {
					var:wager_type ?= flag:win
					var:wager_target ?= this
				}
				switch = {
					trigger = var:wager_team
					flag:blues = {
						if = {
							limit = { scope:activity.var:first_place = { has_trait = charioteer_blue } }
							set_or_increment_lucky_better_variable = yes
							add_character_flag = successful_bet
							scope:activity = {
								add_activity_log_entry = {
									key = chariot_race_betting_team_outcome_key
									score = 100
									show_in_conclusion = yes

As written in game/common/scripted_effects/07_dlc_ep3_scripted_effects.txt.