… Retract Vassal

is_available = trigger_if = {
	limit = {
		is_ai = yes
	}
	has_realm_law_flag = title_revocation_allowed
	is_diarch = yes
	diarch_loyalty < diarch_loyalty_visibly_loyal_threshold
	primary_title.tier > tier_county
}
is_landed_or_landless_administrative_or_theocratic = yes
liege ?= {
	has_diarchy_parameter = unlock_diarch_retract_vassal_interaction
}
OR = {
	is_designated_diarch = yes
	AND = {
		is_diarch_of_target = liege
		exists = liege
	}
}
is_shown = scope:actor != scope:recipient
scope:recipient = {
	liege ?= scope:actor.liege
	this != scope:actor.liege
	is_landed_or_landless_administrative_or_theocratic = yes
	scope:recipient.highest_held_title_tier >= tier_duchy
}

As written in game/common/character_interactions/00_diarch_interactions.txt.

vassal_retraction_standard_valid_showing_failures_only_trigger = yes
diarch_cannot_be_disabled_trigger = {
	DIARCH = scope:actor
}
scope:actor = {
	custom_description = {
		text = you_must_have_a_de_jure_vassal_to_retract
		object = scope:recipient
		any_held_title = {
			title_tier >= duchy
			any_direct_de_jure_vassal_title = {
				exists = holder
				holder.liege = scope:recipient
			}
		}
	}
}
scope:actor.liege = {
	trigger_if = {
		limit = {
			government_has_flag = government_is_tribal
		}
		custom_description = {
			text = liege_has_law_allowing_vassal_retraction_tribal
			has_realm_law_flag = vassal_retraction_allowed
		}
	}
	trigger_if = {
		limit = {
			NOT = {
				government_has_flag = government_is_tribal
			}
		}
		custom_description = {
			text = liege_has_law_allowing_vassal_retraction_crown
			has_realm_law_flag = vassal_retraction_allowed
		}
	}
}
custom_tooltip = {
	text = diarch_interactions.tt.you_must_be_in_an_entrenched_regency_to_access
	scope:actor = {
		is_diarch = yes
	}
}
trigger_if = {
	limit = {
		scope:actor = {
			is_diarch = yes
		}
	}
	scope:actor.liege = {
		has_diarchy_active_parameter = unlock_diarch_retract_vassal_interaction
	}
}
NOT = {
	scope:actor = {
		is_at_war_with = scope:actor.liege
	}
}
scope:actor != scope:intermediary
scope:actor = {
	custom_description = {
		text = character_interactions_hostile_actions_disabled_delay
		NOT = {
			has_character_flag = flag_hostile_actions_disabled_delay
		}
	}
}

As written in game/common/character_interactions/00_diarch_interactions.txt.

on_send = scope:actor = {
	add_character_flag = {
		flag = flag_hostile_actions_disabled_delay
		days = 10
	}
}
on_accept = save_scope_value_as = {
	name = use_strife_not_tyranny
	value = yes
}
retract_vassal_interaction_effect = yes
scope:actor = {
	trigger_event = char_interaction.0272
	clear_hostile_actions_lock_flag_effect = yes
}
debug_log = debug_log.diarch_retract_vassal.accepted
scope:actor = {
	diarch_interaction_set_or_update_global_variable_effect = {
		VARIABLE = di_track_retract_accept
	}
	diarch_interaction_add_to_global_list_effect = {
		VARIABLE_LIST = di_track_retract_accept_actor_list
	}
}
scope:recipient = {
	diarch_interaction_add_to_global_list_effect = {
		VARIABLE_LIST = di_track_retract_accept_recipient_list
	}
}
scope:intermediary = {
	diarch_interaction_add_to_global_list_effect = {
		VARIABLE_LIST = di_track_retract_accept_intermediary_list
	}
}
on_decline = scope:actor = {
	trigger_event = char_interaction.0273
	show_as_tooltip = {
		random_list = {
			50 = {
				show_chance = no
				desc = char_interaction.0273.result.criminal
				diarch_declare_recipient_criminal_effect = yes
			}
			50 = {
				show_chance = no
				desc = char_interaction.0273.result.war
				diarch_declare_vassalisation_war_effect = yes
			}
		}
	}
	clear_hostile_actions_lock_flag_effect = yes
}
scope:recipient = {
	add_opinion = {
		target = scope:actor
		modifier = retracted_vassal
	}
}
debug_log = debug_log.diarch_retract_vassal.rejected
scope:actor = {
	diarch_interaction_set_or_update_global_variable_effect = {
		VARIABLE = di_track_retract_decline
	}
	diarch_interaction_add_to_global_list_effect = {
		VARIABLE_LIST = di_track_retract_decline_actor_list
	}
}
scope:recipient = {
	diarch_interaction_add_to_global_list_effect = {
		VARIABLE_LIST = di_track_retract_decline_recipient_list
	}
}
scope:intermediary = {
	diarch_interaction_add_to_global_list_effect = {
		VARIABLE_LIST = di_track_retract_decline_intermediary_list
	}
}
on_auto_accept = scope:recipient = {
	trigger_event = char_interaction.0271
}

As written in game/common/character_interactions/00_diarch_interactions.txt.