feudal_elective_potential_landed_candidate_trigger

feudal_elective_potential_landed_candidate_trigger = {
	save_temporary_scope_as = potential_candidate
	# Same-government matching empties the pool when the holder has an unelectable government, so fall back to electable candidates.
	OR = {
		has_same_government = scope:holder
		scope:holder = { has_unelectable_government_trigger = yes }
	}
	#Either the candidate is in the realm, or the title is independent, or the realm of the title does NOT have protected inheritance.
	OR = {
		any_liege_or_above = {
			this = scope:holder
		}
		scope:holder = { top_liege = this }
		scope:holder = {
			exists = liege
			NOT = {
				any_liege_or_above = {
					has_realm_law_flag = titles_cannot_leave_realm_on_succession
					NOR = {
						this = scope:potential_candidate
						target_is_vassal_or_below = scope:potential_candidate
					}
				}
			}
		}
	}
	OR = { #If the title controls the faith, candidates must be of the same faith.
		scope:holder = {
			NAND = {
				exists = faith.religious_head
				this = faith.religious_head
			}
		}
		this.faith = scope:holder.faith
	}
	has_unelectable_trait_trigger = no
	has_unelectable_government_trigger = no
}

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