Adjust Bureaucracy

is_available = trigger_if = {
	limit = {
		is_ai = yes
	}
	is_diarch = yes
	diarch_loyalty < diarch_loyalty_visibly_loyal_threshold
	prestige >= {
		value = liege.increase_crown_authority_prestige_cost
		multiply = subsidised_liege_authority_discount_value
		add = major_prestige_value
	}
}
liege_has_co_emperorship_trigger = yes
liege ?= {
	has_diarchy_parameter = unlock_adjust_imperial_bureaucracy_interaction
}
is_diarch_of_target = liege
exists = liege
is_shown = scope:actor != scope:recipient
OR = {
	scope:actor.liege ?= scope:recipient
	scope:recipient = {
		any_liege_or_above = {
			this = scope:actor.liege
		}
	}
}

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

custom_tooltip = {
	text = custom_description.tt.must_target_liege
	scope:recipient = scope:actor.liege
}
diarch_cannot_be_disabled_trigger = {
	DIARCH = scope:actor
}
scope:actor.liege = {
	has_diarchy_active_parameter = unlock_adjust_imperial_bureaucracy_interaction
}
custom_tooltip = {
	text = diarch_subsidise_crown_authority_interaction.tt.liege_cannot_have_max_authority
	scope:recipient = {
		NOT = {
			has_realm_law_flag = max_authority_level
		}
	}
}
NOT = {
	scope:actor = {
		is_at_war_with = scope:actor.liege
	}
}

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

on_send = if = {
	limit = {
		scope:actor = {
			is_ai = yes
		}
	}
	save_scope_value_as = {
		name = increase_centralisation
		value = yes
	}
}
on_accept = scope:actor = {
	send_interface_toast = {
		type = event_toast_effect_good
		title = diarch_subsidise_crown_authority_interaction.tt.accepted
		left_icon = scope:recipient
		scope:recipient = {
			if = {
				limit = {
					scope:increase_centralisation = yes
				}
				change_authority_effect = {
					CHANGE = 1
				}
				add_character_modifier = {
					modifier = liege_authority_boost_has_scapegoat_modifier
					years = 10
				}
			}
			else = {
				change_authority_effect = {
					CHANGE = -1
				}
			}
		}
		if = {
			limit = {
				scope:increase_centralisation = yes
			}
			change_strife_opinion = massive_strife_gain
		}
		else = {
			change_strife_opinion = massive_strife_loss
		}
	}
}
on_decline = scope:actor = {
	send_interface_toast = {
		type = event_toast_effect_bad
		title = diarch_subsidise_crown_authority_interaction.tt.declined
		left_icon = scope:recipient
		add_opinion = {
			target = scope:recipient
			modifier = refusal_opinion
			opinion = -20
		}
	}
}

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