japan_establish_house_fief_effect

japan_establish_house_fief_effect = {
	save_scope_as = house_fiefer
	save_scope_as = new_head
	# Dynasty
	if = {
		limit = { tgp_japan_cadet_creates_dynasty_trigger = yes }
		if = {
			limit = { exists = var:new_japanese_house_name }
			create_dynasty = {
				name = {
					first_valid = {
						triggered_desc = {
							trigger = { scope:new_head.var:new_japanese_house_name ?= flag:japanese_house_random_barony }
							desc = japanese_house_random_barony
						}
						triggered_desc = {
							trigger = { scope:new_head.var:new_japanese_house_name ?= flag:japanese_house_primary_county }
							desc = japanese_house_primary_county
						}
						triggered_desc = {
							trigger = { scope:new_head.var:new_japanese_house_name ?= flag:japanese_house_domicile_barony }
							desc = japanese_house_domicile_barony
						}
						triggered_desc = {
							trigger = { scope:new_head.var:new_japanese_house_name ?= flag:japanese_house_domicile_county }
							desc = japanese_house_domicile_county
						}
						triggered_desc = {
							trigger = { scope:new_head.var:new_japanese_house_name ?= flag:japanese_house_first_name }
							desc = japanese_house_first_name
						}
						triggered_desc = {
							trigger = { scope:new_head.var:new_japanese_house_name ?= flag:custom }
							desc = japanese_house_name_custom
						}
						desc = japanese_house_name_flag
					}
				}
				save_scope_as = new_dynasty
			}
		}
		else = {
			create_dynasty = { save_scope_as = new_dynasty }
		}
		house = {
			set_house_name_from_dynasty = dynasty
			save_scope_as = new_house
		}
	}
	# House
	else_if = {
		limit = { is_house_head = no }
		found_cadet_house_decision_effect = {
			CHARACTER = root
			PRESTIGE = 0
		}
	}
	# Government
	change_government = japan_feudal_government
	# Old Dynasty
	if = {
		limit = { exists = scope:new_house }
		# Rename old NF title
		if = {
			limit = {
				scope:old_head ?= this
				exists = scope:old_nf_title
			}
			#scope:old_nf_title = { set_title_name_dynamic = japanese_noble_family_name }
		}
		else = {
			create_noble_family_effect = { GOVERNMENT_GIVER = this }
			scope:new_title = {
				#set_title_name_dynamic = japanese_noble_family_name
				set_coa = scope:new_house
			}
		}
		# Upset old Clan Head
		scope:old_head ?= {
			if = {
				limit = { is_ai = yes }
				add_opinion = {
					modifier = established_house_fief_old_clan_head_opinion
					target = root
				}
			}
			trigger_event = tgp_japan_decision.9005
		}
	}
	# Crime to Regent
	top_liege ?= {
		if = {
			limit = {
				scope:new_head = {
					is_landed = yes
					NOR = {
						var:petition_liege_house_fief_allowed_flag ?= scope:new_head.top_liege
						top_liege = {
							government_has_flag = government_is_japan_feudal
						}
					}
				}
			}
			show_as_tooltip = {
				add_opinion = {
					modifier = established_house_fief_regent_crime
					target = scope:new_head
				}
			}
			hidden_effect = {
				send_interface_message = {
					type = event_toast_effect_bad
					title = tgp_japan_establish_house_fief_kampaku_toast
					left_icon = scope:new_head
					right_icon = scope:new_head.primary_title
					show_as_tooltip = {
						scope:new_head = { change_government = japan_feudal_government }
					}
					add_opinion = {
						modifier = established_house_fief_regent_crime

As written in game/common/scripted_effects/10_dlc_tgp_japan_scripted_effects.txt.