laamp_youth_cultural_tradition_trigger

laamp_youth_cultural_tradition_trigger = {
	has_global_variable_list = laamps_tally
	global_variable_list_size = {
		name = laamps_tally
		value < {
			value = max_desired_laamps_value
			add = 10
		}
	}
	culture = {
		OR = {
			has_cultural_parameter = much_more_likely_to_be_laamps
			has_cultural_parameter = more_likely_to_be_laamps
		}
	}
	any_close_or_extended_family_member = {
		is_ruler = yes
	}
	is_lowborn = no
	is_ruler = no
	is_ai = yes
	OR = {
		AND = {
			exists = liege
			can_be_combatant_based_on_gender_trigger = { ARMY_OWNER = liege }
		}
		AND = {
			is_male = yes
			faith_dominant_gender_male_or_equal = yes
		}
		AND = {
			is_female = yes
			faith_dominant_gender_female_or_equal = yes
		}
	}
	trigger_if = {
		limit = {
			exists = liege
		}
		liege = {
			is_landless_adventurer = no
			is_ai = yes
		}
	}
	NOT = {
		any_heir_title = { }
	}
}

As written in game/common/scripted_triggers/00_laamp_triggers.txt.