traveler_lifestyle_rank_up_check_effect

traveler_lifestyle_rank_up_check_effect = {
	if = {
		limit = {
			NOT = { has_trait = lifestyle_traveler }
		}
		hidden_effect = {
			random_list = {
				15 = {
					modifier = {
						add = 5
						exists = var:travel_provinces_traversed
						var:travel_provinces_traversed >= traveler_rank_up_10_threshold
					}
					modifier = {
						add = 5
						exists = var:travel_provinces_traversed
						var:travel_provinces_traversed >= traveler_rank_up_9_threshold
					}
					modifier = {
						add = 5
						exists = var:travel_provinces_traversed
						var:travel_provinces_traversed >= traveler_rank_up_8_threshold
					}
					modifier = {
						add = 5
						exists = var:travel_provinces_traversed
						var:travel_provinces_traversed >= traveler_rank_up_7_threshold
					}
					modifier = {
						add = 5
						exists = var:travel_provinces_traversed
						var:travel_provinces_traversed >= traveler_rank_up_6_threshold
					}
					modifier = {
						add = 5
						exists = var:travel_provinces_traversed
						var:travel_provinces_traversed >= traveler_rank_up_5_threshold
					}
					modifier = {
						add = 5
						exists = var:travel_provinces_traversed
						var:travel_provinces_traversed >= traveler_rank_up_4_threshold
					}
					modifier = {
						add = 5
						exists = var:travel_provinces_traversed
						var:travel_provinces_traversed >= traveler_rank_up_3_threshold
					}
					modifier = {
						add = 5
						exists = var:travel_provinces_traversed
						var:travel_provinces_traversed >= traveler_rank_up_2_threshold
					}
					modifier = {
						add = 5
						exists = var:travel_provinces_traversed
						var:travel_provinces_traversed >= traveler_rank_up_1_threshold
					}
					trigger_event = {
						id = travel_events.0050
						days = { 5 10 }
					}
				}
				85 = {}
			}
		}
	}
	else_if = {
		limit = { exists = var:travel_provinces_traversed }
		send_interface_toast = {
			title = travel_xp_gain_message
			if = {
				limit = { exists = var:travel_provinces_traversed }
				if = {
					limit = { var:travel_provinces_traversed >= traveler_rank_up_10_threshold }
					add_trait_xp = {
						trait = lifestyle_traveler
						track = travel
						value = 11
					}
				}
				else_if = {
					limit = { var:travel_provinces_traversed >= traveler_rank_up_9_threshold }
					add_trait_xp = {
						trait = lifestyle_traveler
						track = travel
						value = 10
					}
				}
				else_if = {
					limit = { var:travel_provinces_traversed >= traveler_rank_up_8_threshold }
					add_trait_xp = {
						trait = lifestyle_traveler
						track = travel
						value = 9
					}
				}
				else_if = {
					limit = { var:travel_provinces_traversed >= traveler_rank_up_7_threshold }
					add_trait_xp = {
						trait = lifestyle_traveler
						track = travel
						value = 8
					}
				}
				else_if = {
					limit = { var:travel_provinces_traversed >= traveler_rank_up_6_threshold }
					add_trait_xp = {
						trait = lifestyle_traveler
						track = travel
						value = 7
					}
				}
				else_if = {
					limit = { var:travel_provinces_traversed >= traveler_rank_up_5_threshold }
					add_trait_xp = {
						trait = lifestyle_traveler
						track = travel
						value = 6
					}

As written in game/common/scripted_effects/04_dlc_ep2_tour_effects.txt.