has_available_funeral_target

has_available_funeral_target = {
	OR = {
		primary_title ?= { # Previous holders of your primary title
			any_past_holder = {
				# so vasssals can't 'steal' funeral for new liege just cuz previous liege granted a title to them.
				trigger_if = {
					limit = { highest_held_title_tier > prev.tier }
					NOT = { primary_title.holder.dynasty ?= dynasty }
				}
				body_is_available = yes
			}
		}
		any_close_or_extended_family_member = {
			even_if_dead = yes
			body_is_available = yes
		}
		any_spouse = {
            even_if_dead = yes
            body_is_available = yes
        }
		any_memory = {
			OR = {
				has_memory_type = friend_died
				has_memory_type = lover_died
				has_memory_type = soulmate_died
				has_memory_type = best_friend_died
			}
			trigger_if = {
				limit = { exists = memory_participant:dead_relation }
				memory_participant:dead_relation = { body_is_available = yes }
			}
			trigger_else = { always = no }
		}
	}
}

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