Demand Council Position

is_available = is_councillor = no
trigger_if = {
	limit = {
		is_ai = yes
	}
	is_councillor = no
	top_liege != this
}
liege ?= {
	tgp_has_access_to_ministry_trigger = no
}
is_shown = scope:recipient != scope:actor
scope:actor = {
	liege = scope:recipient
}
trigger_if = {
	limit = {
		exists = scope:target.councillor
	}
	scope:target = {
		can_fire_position = yes
	}
}

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

scope:actor = {
	custom_description = {
		text = has_usable_hook_or_council_rights_through_vassal_contract
		subject = scope:actor
		OR = {
			has_usable_hook = scope:recipient
			vassal_contract_has_flag = can_demand_council_seat
			vassal_contract_has_flag = can_demand_kurultai_seat
		}
	}
	is_adult = yes
	NOT = {
		is_at_war_with = scope:recipient
	}
	NAND = {
		has_council_position = councillor_court_chaplain
		rite = {
			rite_has_parameter = clerical_appointment_fixed
		}
	}
}

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

on_accept = scope:target = {
	save_scope_as = council_task
}
scope:actor = {
	if = {
		limit = {
			NOR = {
				vassal_contract_has_flag = can_demand_council_seat
				vassal_contract_has_flag = can_demand_kurultai_seat
			}
		}
		save_scope_value_as = {
			name = used_hook
			value = yes
		}
	}
	block_firing_councillor_effect = {
		COURT_OWNER = scope:recipient
	}
	hidden_effect = {
		send_interface_toast = {
			type = event_toast_effect_good
			title = force_onto_council.actor.tt
			left_icon = scope:recipient
			custom_tooltip = force_onto_council.actor.tt.duration
		}
	}
	stress_and_fulfillment_impact = {
		content = minor_stress_impact_gain
	}
}
scope:recipient = {
	assign_council_task = {
		target = scope:actor
		council_task = scope:council_task
	}
	custom_tooltip = force_onto_council.desc.tt
	hidden_effect = {
		send_interface_toast = {
			type = event_toast_effect_neutral
			title = force_onto_council.recipient.tt
			left_icon = scope:actor
			if = {
				limit = {
					exists = scope:used_hook
				}
				show_as_tooltip = {
					scope:actor = {
						use_hook = scope:recipient
					}
				}
			}
			custom_tooltip = force_onto_council.recipient.tt.duration
		}
	}
}
scope:actor = {
	if = {
		limit = {
			exists = scope:used_hook
		}
		use_hook = scope:recipient
	}
}
add_clan_unity_interaction_effect = {
	CHARACTER = scope:actor
	TARGET = scope:recipient
	VALUE = medium_unity_loss
	DESC = clan_unity_forced_unto_council.desc
	REVERSE_NON_HOUSE_TARGET = no
}

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