on_claimant_faction_war_win_common

on_claimant_faction_war_win_common = {
	$DEFENDER$ = {
		if = {
			limit = {
				is_tributary = yes
				exists = suzerain
				$CLAIMANT$ = {
					is_tributary = no
					OR = {
						is_ruler = no
						is_vassal_or_below_of = $DEFENDER$
					}
				}
			}
			suzerain = { save_scope_as = handover_suzerain }
		}
	}
	$ATTACKER$.joined_faction.special_title ?= {
		save_scope_as = faction_targeted_title
	}
	$CLAIMANT$ = {
		save_scope_as = the_claimant
	}

	# If the claimant is the prisoner of the defender, free the claimant (it doesn't make much sense to leave the new king in the old king's dungeon)
	scope:the_claimant = {
		if = {
			limit = {
				is_imprisoned_by = $DEFENDER$
			}
			release_from_prison = yes
		}
	}

	# Add mutual opinion bonuses between claimant and faction members, as well as a hook on the claimant if possible.
	$ATTACKER$.joined_faction = {
		every_faction_member = {
			custom = FACTION_CLAIMANT_EVERY_FACTION_MEMBER
			limit = {
				NOT = { this = $ATTACKER$.joined_faction.special_character }
			}
			hidden_effect = {
				add_opinion = {
					modifier = claimant_faction_member_opinion
					target = $ATTACKER$.joined_faction.special_character
				}
				reverse_add_opinion = {
					modifier = claimant_faction_claimant_opinion
					target = $ATTACKER$.joined_faction.special_character
				}
			}
			if = {
				limit = {
					can_add_hook = {
						type = favor_hook
						target = $ATTACKER$.joined_faction.special_character
					}
				}
				add_hook = {
					type = favor_hook
					target = $ATTACKER$.joined_faction.special_character
				}
			}
			# Struggle boost
			if = {
				limit = {
					culture = $ATTACKER$.joined_faction.special_character.culture
					any_character_struggle = {
						involvement = involved
						has_struggle_phase_parameter = struggle_prestige_install_same_culture_claimant
					}
				}
				add_prestige = major_prestige_gain
			}

			# Save the number of faction members for use further down
			add_to_list = num_faction_members
		}
	}

	# Give the claimant their new title.
	create_title_and_vassal_change = {
		type = faction_demand
		save_scope_as = change
		add_claim_on_loss = yes
	}

	# Ceremonial Liege
	if = {
		limit = {
			exists = $DEFENDER$.top_liege.primary_title.var:administrative_ui_special_title
			scope:faction_targeted_title ?= $DEFENDER$.top_liege.primary_title.var:administrative_ui_special_title
		}
		$DEFENDER$ = {
			every_held_title = {
				limit = {
					is_noble_family_title = no
					is_landless_type_title = no
					tier >= scope:faction_targeted_title.tier
				}
				add_to_list = faction_titles
			}
		}
	}
	every_in_list = {
		list = $TARGET_TITLES$
		add_to_list = faction_titles
		holder = {
			save_scope_as = target_holder
		}
	}
	scope:target_holder ?= {
		if = {
			limit = {
				top_liege = this
				government_has_mechanic = administrative
				primary_title = { is_in_list = faction_titles }
			}
			every_held_title = {
				title_tier > barony

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