tgp_bloc_war_defeat_member_effect

tgp_bloc_war_defeat_member_effect = {
	$WINNER$ = {
		save_temporary_scope_as = winner_temp
		house.house_confederation = { save_temporary_scope_as = winner_bloc_temp }
	}
	$LOSER$ = {
		save_temporary_scope_as = loser_temp
		house.house_confederation = { save_temporary_scope_as = loser_bloc_temp }
	}
	custom_description_no_bullet = { text = tgp_bloc_war_defeat_member_description }
	scope:loser_bloc_temp = {
		every_confederation_member_house = {
			limit = {
				house_head = {
					tgp_bloc_war_transfer_trigger = { BLOC_LEADER = scope:loser_temp }
				}
			}
			custom_description_no_bullet = {
				text = tgp_bloc_war_defeat_member_house_description
				subject = house_head
			}
			hidden_effect = {
				if = { # LEAVE OLD BLOC IF NECESSARY
					limit = { exists = house_confederation }
					set_variable = {
						name = bloc_leaving_reason
						value = flag:reason_war
						days = 4
					}
					tgp_leave_house_bloc_effect = {
						OPINION = flag:no
						TRUCE = flag:yes
					}
					tgp_join_house_bloc_effect = {
						INVITER = scope:winner_temp.house
						OPINION = flag:no
					}
				}
			}
		}
	}
}

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