Scripted trigger

can_designate_heir_trigger

can_designate_heir_trigger = yes

game/common/scripted_triggers/00_legal_triggers.txt, line 150 (22 lines). No parameters.

can_designate_heir_trigger is a scripted trigger in Crusader Kings III, written at line 150 of its file. It takes no parameters: can_designate_heir_trigger = yes (or no). The game's script calls it in 2 places, among them Designate Heir (interaction) and can_designate_heir (scripted rules). Patch 1.20.1.2, from game/common/scripted_triggers/00_legal_triggers.txt.

The comment above it in the file

Can this character assign a dedicated heir?
Check if a character can assign some designated heir,
but not if the heir is a valid candidate.
root: Character that will assign an heir

What it checks

Every line of it is script with no tooltip text: the script is below.

The script as written (22 lines of game script)

can_designate_heir_trigger = {
	trigger_if = {
		# Admin always has access to this
		limit = { government_has_mechanic = administrative }
	}
	trigger_else_if = {
		# Feudal and clan can get this by increasing crown authority
		limit = { has_realm_law_in_group = crown_authority }

		custom_description = {
			text = "has_crown_authority_designate_heir"
			has_realm_law_flag = can_designate_heirs
		}
	}
	trigger_else = {
		# Everyone else also needs a law to gain access to this interaction
		custom_description = {
			text = "has_law_allowing_designate_heir"
			has_realm_law_flag = can_designate_heirs
		}
	}
}

As written in game/common/scripted_triggers/00_legal_triggers.txt.

Where it is used

Every place in common/, events/ and history/ that calls can_designate_heir_trigger.

Character interactions (1)

Designate Heir

Scripted rules (1)

can_designate_heir

Source: game/common/scripted_triggers/00_legal_triggers.txt and every file of common/, events/ and history/ that calls it, Crusader Kings III 1.20.1.2.