Recruit to Court

is_available = trigger_if = {
	limit = {
		is_ai = yes
	}
	short_term_gold >= yearly_character_income
	is_at_war = no
	ai_should_focus_on_building_in_their_capital = no
	NOT = {
		government_has_flag = government_is_nomadic
	}
	any_courtier_or_guest = {
		is_alive = yes
		count <= 30
	}
	NOT = {
		has_variable = conqueror
	}
}
is_shown = scope:actor != scope:recipient
scope:recipient = {
	is_pool_guest_of = scope:actor
}

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

scope:recipient = {
	is_ruler = no
}
trigger_if = {
	limit = {
		NOR = {
			scope:recipient = {
				is_close_family_of = scope:actor
			}
			scope:actor = {
				has_usable_hook = scope:recipient
			}
			scope:actor = {
				has_personal_tenet_flag = tenet_ritual_hospitality_free_guest_recruitment
			}
		}
	}
	scope:actor = {
		gold >= scope:recipient.recruit_guest_interaction_cost
	}
}
trigger_if = {
	limit = {
		NOR = {
			AND = {
				exists = scope:hook
				always = scope:hook
			}
			scope:recipient = {
				is_close_family_of = scope:actor
			}
		}
		scope:actor = {
			has_usable_hook = scope:recipient
		}
	}
	scope:actor = {
		gold >= scope:recipient.recruit_guest_interaction_cost
	}
}

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

on_accept = scope:recipient = {
	every_traveling_family_member = {
		add_to_temporary_list = recruiting_family
	}
}
if = {
	limit = {
		scope:recipient = {
			is_close_family_of = scope:actor
		}
	}
}
else_if = {
	limit = {
		scope:actor = {
			has_personal_tenet_flag = tenet_ritual_hospitality_free_guest_recruitment
		}
	}
}
else_if = {
	limit = {
		always = scope:hook
	}
	scope:actor = {
		use_hook = scope:recipient
	}
}
else_if = {
	limit = {
		always = scope:influence_send_option
	}
	scope:actor = {
		change_influence = minor_influence_loss
	}
}
else = {
	scope:recipient = {
		save_temporary_scope_as = most_expensive_person
		every_in_list = {
			list = recruiting_family
			if = {
				limit = {
					this.individual_recruit_guest_interaction_cost >= scope:most_expensive_person.individual_recruit_guest_interaction_cost
				}
				save_temporary_scope_as = most_expensive_person
			}
		}
	}
	scope:actor = {
		pay_short_term_gold = {
			target = scope:most_expensive_person
			gold = scope:most_expensive_person.recruit_guest_interaction_cost_with_list
		}
	}
}
scope:actor = {
	send_interface_message = {
		type = event_generic_neutral
		title = msg_recruited_guest_to_court_interaction_title
		right_icon = scope:recipient
		stress_and_fulfillment_impact = {
			shy = minor_stress_impact_gain
			paranoid = minor_stress_impact_gain
		}
		every_in_list = {
			list = recruiting_family
			scope:actor = {
				add_courtier ?= prev
			}
			remove_variable = last_visited_ruler
			add_opinion = {
				target = scope:actor
				opinion = 50
				modifier = grateful_opinion
			}
		}
	}
}

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