pam_seed_cardinals_effect

pam_seed_cardinals_effect = {
	if = {
		limit = {
			has_pam_dlc_trigger = yes
			has_doctrine_parameter = has_clerical_electors
			any_clerical_elector_title = { count < 10 }
			OR = {
				exists = religious_head
				exists = title:k_papal_state.holder
			}
		}
		# Callers fire this from on_actions whose root is a character, so the faith needs its own scope
		save_scope_as = pam_seed_faith
		if = {
			limit = { exists = religious_head }
			religious_head = { save_scope_as = pam_seed_hof }
		}
		else = {
			title:k_papal_state.holder = { save_scope_as = pam_seed_hof }
		}
		scope:pam_seed_hof.capital_county ?= { save_scope_as = pam_seed_cardinal_county }
		if = {
			limit = { NOT = { exists = scope:pam_seed_cardinal_county } }
			title:c_roma = { save_scope_as = pam_seed_cardinal_county }
		}
		# One ordered pass - same eligibility as pam_cardinal_vacancy_on_death_effect
		ordered_clerical_region_title = {
			limit = {
				holder ?= {
					is_alive = yes
					is_adult = yes
					is_incapable = no
					NOT = { has_trait = excommunicated }
					NOT = { exists = clerical_elector_title }
					this != scope:pam_seed_hof
					pam_can_hold_cardinalate_trigger = yes
					pam_pope_is_head_of_faith_or_rite_trigger = yes
					pam_ai_cardinal_candidate_is_immersive_trigger = yes
				}
			}
			order_by = holder.piety_level
			max = 10
			check_range_bounds = no
			holder = {
				if = {
					limit = {
						scope:pam_seed_faith = { any_clerical_elector_title = { count < 10 } }
					}
					grant_cardinal_title_effect = {
						CARDINAL_COUNTY = capital_county
					}
					if = {
						limit = {
							is_ai = no
							NOT = { current_date_is_start_date_trigger = yes }
						}
						scope:pam_seed_hof = { save_scope_as = head_of_faith }
						pam_notify_player_became_cardinal_effect = yes
					}
					add_to_list = pam_seeded_cardinals
				}
			}
		}
		# Mint only what the promotion pass could not fill (count = 10 is a hard bound)
		scope:pam_seed_hof = {
			while = {
				count = 10
				limit = {
					scope:pam_seed_faith = { any_clerical_elector_title = { count < 10 } }
				}
				pam_create_seed_cardinal_effect = {
					HOF = scope:pam_seed_hof
					LOCATION = scope:pam_seed_cardinal_county.title_province
					FAITH = scope:pam_seed_faith
				}
				scope:pam_new_cardinal ?= {
					grant_cardinal_title_effect = {
						CARDINAL_COUNTY = scope:pam_seed_cardinal_county
					}
					add_to_list = pam_seeded_cardinals
				}
			}
		}
		# Seeding at game start is part of the setup, but mid-game it would otherwise be silent
		if = {
			limit = {
				NOT = { current_date_is_start_date_trigger = yes }
				any_in_list = { list = pam_seeded_cardinals count >= 1 }
				scope:pam_seed_hof = { is_ai = no }
			}
			ordered_in_list = {
				list = pam_seeded_cardinals
				order_by = piety_level
				max = 1
				check_range_bounds = no
				save_scope_as = cardinal_candidate
			}
			scope:pam_seed_hof = {
				trigger_event = {
					id = pam_clergy_events.0042
					days = 3
				}
			}
		}
	}
}

As written in game/common/scripted_effects/11_dlc_pam_scripted_effects.txt.