pam_canonize_saint_effect

pam_canonize_saint_effect = {
	$CANDIDATE$ = {
		add_trait = saint
	}
	# Register on the canonizer's faith for the Saints-list UI and faith-split; add_saint needs the saint trait (added above) and a burial province with a holding.
	$CANONIZER$.faith ?= {
		hidden_effect = {
			add_saint = {
				character = $CANDIDATE$
				burial_province = $CONSECRATION_PROVINCE$
			}
		}
	}

	if = {
		limit = {
			$CANDIDATE$ = {
				is_alive = no
				has_dead_character_variable = no_corpse_left
			}
		}
		$CONSECRATION_PROVINCE$ = {
			set_variable = no_corpse_left
		}
	}

	# The engine's saint registry (add_saint, above) owns the saint->province link (saint_burial_location) and the relic charges (remaining_saint_relics). All we keep is the buried-saint travel PoI, plus a thin province list the PoI builder iterates.
	$CONSECRATION_PROVINCE$ = {
		# Only readable through the tomb PoI, so skip provinces that will never get one
		if = {
			limit = {
				$PRESET$ = yes
				NOT = { has_variable = hide_location_for_saint }
			}
			set_variable = pam_preset_buried_saint
		}
		if = {
			limit = {
				NOR = {
					has_variable = hide_location_for_saint
					has_travel_point_of_interest = poi_buried_saint
				}
			}
			add_to_global_variable_list = {
				name = pam_buried_saint_poi_list
				target = $CONSECRATION_PROVINCE$
			}
			add_travel_point_of_interest = poi_buried_saint
		}
	}

	if = {
		limit = {
			$CANONIZER$ = { is_alive = yes }
			$CANONIZER$.rite ?= { rite_has_parameter = tenet_dulia_canonization_faith_bonus }
		}
		pam_grant_dulia_canonization_faith_bonus_effect = {
			CANONIZER = $CANONIZER$
			CANDIDATE = $CANDIDATE$
		}
	}

	# Cost of the next canonization scales with how many saints the dynasty has.
	$CANDIDATE$.dynasty ?= {
		if = {
			limit = { has_variable = pam_dynasty_saint_count }
			change_variable = {
				name = pam_dynasty_saint_count
				add = 1
			}
		}
		else = {
			set_variable = {
				name = pam_dynasty_saint_count
				value = 1
			}
		}
	}
}

As written in game/common/scripted_effects/pam_saint_effects.txt.