Choose Favorite Child

is_available = is_ai = no
is_shown = scope:actor = {
	NOT = {
		has_relation_favorite_child = scope:recipient
	}
}
scope:recipient.dynasty ?= scope:actor.dynasty
scope:actor != scope:recipient
scope:recipient = {
	OR = {
		is_child_of = scope:actor
		is_grandchild_of = scope:actor
		is_great_grandchild_of = scope:actor
	}
}

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

scope:actor = {
	is_alive = yes
}
scope:recipient = {
	custom_tooltip = {
		text = cant_be_another_player_tt
		is_ai = yes
	}
	custom_tooltip = {
		text = favorite_child_must_be_in_good_health_tt
		NOR = {
			has_trait = incapable
			health <= 2.5
		}
	}
	custom_tooltip = {
		text = cant_be_hostage_tt
		is_hostage = no
	}
	custom_tooltip = {
		text = cant_already_be_your_heir
		this != scope:actor.player_heir
	}
	custom_tooltip = {
		text = no_republic_or_theocracy_tt
		NOR = {
			government_has_flag = government_is_republic
			AND = {
				has_pam_dlc_trigger = no
				government_has_flag = government_is_theocracy
			}
		}
	}
	trigger_if = {
		limit = {
			is_ruler = yes
		}
		custom_tooltip = {
			text = not_baron_holy_order_merc_tt
			highest_held_title_tier >= tier_county
			primary_title = {
				is_mercenary_company = no
				is_holy_order = no
			}
		}
	}
}

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

on_accept = assign_favourite_child_effect = {
	ACTOR = scope:actor
	RECIPIENT = scope:recipient
}
on_auto_accept = scope:recipient = {
	send_interface_message = {
		title = choose_favorite_interaction_notification
		left_icon = scope:actor
		show_as_tooltip = {
			scope:actor = {
				set_relation_favorite_child = {
					reason = favorite_child_chosen
					target = scope:recipient
				}
			}
		}
	}
}

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