rite_growth_convert_ruler_to_new_rite_effect

rite_growth_convert_ruler_to_new_rite_effect = {
	if = {
		limit = { rite != scope:new_rite }
		set_character_rite_with_conversion = scope:new_rite
	}
	every_held_title = {
		limit = {
			tier = tier_county
			rite = scope:source_rite
		}
		set_county_rite = scope:new_rite
	}
	# The conversion above can cost the ruler their life
	if = {
		limit = { is_alive = yes }
		add_character_flag = {
			flag = recently_converted_by_rite_growth
			years = 10
		}
		rite_growth_convert_court_to_new_rite_effect = yes
	}
	if = {
		limit = { any_held_title = { has_clerical_region = yes } }
		every_held_title = {
			limit = { has_clerical_region = yes }
			save_temporary_scope_as = title_check
			every_county_in_clerical_region = {
				limit = {
					rite = scope:source_rite
					OR = {
						this = scope:title_check.title_capital_county
						any_neighboring_county = {
							this = scope:title_check.title_capital_county
						}
					}
				}
				set_county_rite = scope:new_rite
				holder = {
					if = {
						limit = { is_eligible_rite_growth_target_trigger = yes }
						rite_growth_convert_ruler_to_new_rite_effect = yes
					}
				}
			}
		}
	}
}

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