Claim Title

is_shown = scope:puppet_or_actor ?= {
	this != scope:recipient
	is_dynast = yes
	religion ?= scope:recipient.religion
	dynasty ?= scope:recipient.dynasty
}
scope:recipient = {
	is_playable_character = yes
	any_held_title = {
		is_landless_type_title = no
	}
}

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

custom_description = {
	scope:recipient = {
		any_held_title = {
			title_tier >= county
			NOT = {
				any_claimant = {
					this = scope:puppet_or_actor
				}
			}
			is_landless_type_title = no
		}
	}
	object = scope:recipient
	text = already_have_claims_on_all_titles
}
trigger_if = {
	limit = {
		scope:is_puppet_action ?= yes
	}
	scope:puppet_or_actor = {
		dynasty ?= {
			dynasty_prestige >= dynast_claim_title_interaction_cost_value
		}
	}
}

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

on_accept = if = {
	limit = {
		scope:is_puppet_action ?= yes
	}
	scope:puppet_or_actor = {
		if = {
			limit = {
				dynast_claim_title_interaction_cost_value > 0
			}
			dynasty ?= {
				add_dynasty_prestige = {
					value = {
						add = dynast_claim_title_interaction_cost_value
						multiply = -1
					}
				}
			}
		}
	}
}
dynast_claim_title_effect = yes
scope:puppet_or_actor = {
	hidden_effect = {
		send_interface_toast = {
			type = event_toast_effect_neutral
			title = dynast_claim_title_interaction_notification
			left_icon = scope:puppet_or_actor
			right_icon = scope:recipient
			show_as_tooltip = {
				dynast_claim_title_effect = yes
			}
		}
	}
}
hidden_effect = {
	if = {
		limit = {
			scope:is_puppet_action ?= yes
		}
		scope:actor = {
			send_interface_toast = {
				type = event_toast_effect_neutral
				title = dynast_claim_title_interaction_notification
				left_icon = scope:puppet_or_actor
				right_icon = scope:recipient
				show_as_tooltip = {
					dynast_claim_title_effect = yes
				}
			}
		}
	}
}
add_clan_unity_interaction_effect = {
	CHARACTER = scope:puppet_or_actor
	TARGET = scope:recipient
	VALUE = medium_unity_loss
	DESC = clan_unity_title_claim.desc
	REVERSE_NON_HOUSE_TARGET = no
}
on_auto_accept = scope:recipient = {
	trigger_event = char_interaction.0060
}

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