hunter_lifestyle_rank_up_check_effect

hunter_lifestyle_rank_up_check_effect = {
	save_scope_value_as = {
		name = falconry
		value = $FALCONRY$
	}
	if = {
		limit = {
			is_alive = yes
			NOT = { has_trait = lifestyle_hunter }
			exists = var:hunter_lifestyle_progress
		}
		add_trait = lifestyle_hunter
	}
	else_if = { # To show host trait gain for guests
		limit = {
			is_alive = yes
			exists = var:hunter_lifestyle_progress
			NOT = { has_character_flag = host_existing_hunter }
		}
		add_trait_force_tooltip = lifestyle_hunter
	}	
	if = {
		limit = {
			is_alive = yes 
			exists = var:hunter_lifestyle_progress
			has_trait = lifestyle_hunter
			scope:falconry = yes
		}
		send_interface_toast = {
			title = hunter_xp_gain_message
			if = {
				limit = { var:hunter_lifestyle_progress >= hunter_rank_up_3_threshold }
				add_trait_xp = {
					trait = lifestyle_hunter
					track = falconer
					value = 15
				}
			}
			else_if = {
				limit = { var:hunter_lifestyle_progress >= hunter_rank_up_2_threshold }
				add_trait_xp = {
					trait = lifestyle_hunter
					track = falconer
					value = 10
				}
			}
			else_if = {
				limit = { var:hunter_lifestyle_progress >= hunter_rank_up_1_threshold }
				add_trait_xp = {
					trait = lifestyle_hunter
					track = falconer
					value = 5
				}
			}
			else = {
				add_trait_xp = {
					trait = lifestyle_hunter
					track = falconer
					value = 3
				}
			}
		}
	}
	else_if = {
		limit = {
			is_alive = yes
			exists = var:hunter_lifestyle_progress
			has_trait = lifestyle_hunter
		}
		send_interface_toast = {
			title = hunter_xp_gain_message
			if = {
				limit = { var:hunter_lifestyle_progress >= hunter_rank_up_3_threshold }
				add_trait_xp = {
					trait = lifestyle_hunter
					track = hunter
					value = 15
				}
			}
			else_if = {
				limit = { var:hunter_lifestyle_progress >= hunter_rank_up_2_threshold }
				add_trait_xp = {
					trait = lifestyle_hunter
					track = hunter
					value = 10
				}
			}
			else_if = {
				limit = { var:hunter_lifestyle_progress >= hunter_rank_up_1_threshold }
				add_trait_xp = {
					trait = lifestyle_hunter
					track = hunter
					value = 5
				}
			}
			else = {
				add_trait_xp = {
					trait = lifestyle_hunter
					track = hunter
					value = 3
				}
			}
		}
	}
	set_variable = {
		name = hunter_lifestyle_progress
		value = 0
	}
}

As written in game/common/scripted_effects/00_lifestyle_focus_effects.txt.