is_good_familial_murder_target_trigger

is_good_familial_murder_target_trigger = {
	root = {
		can_start_scheme = {
			target_character = prev
			type = murder
		}
		OR = {
			AND = { # Psychopaths ignore opinion...
				ai_greed >= very_high_positive_ai_value
				ai_compassion <= very_high_negative_ai_value
				has_trait = sadistic # Make sadistic people able to murder their own children
			}
			AND = { # Very greedy and non-compassionate characters almost ignore opinion...
				ai_greed >= very_high_positive_ai_value
				ai_compassion <= high_negative_ai_value
				opinion = {
					target = prev
					value <= medium_positive_opinion
				}
			}
			AND = { # Significantly greedy and non-compassionate characters can murder even at positive opinion
				ai_greed >= high_positive_ai_value
				ai_compassion < 0
				opinion = {
					target = prev
					value <= low_positive_opinion
				}
			}
			AND = { # Somewhat greedy characters can murder people they just barely dislike...
				ai_greed >= medium_positive_ai_value
				opinion = {
					target = prev
					value <= low_negative_opinion
				}
			}
			AND = { # Otherwise, their opinion must be rather poor...
				opinion = {
					target = prev
					value <= medium_negative_opinion
				}
			}
		}
	}
	NOR = {
		has_opinion_modifier = {
			modifier = received_title_county
			target = root
		}
		has_opinion_modifier = {
			modifier = received_title_duchy
			target = root
		}
		has_opinion_modifier = {
			modifier = received_title_kingdom
			target = root
		}
		has_opinion_modifier = {
			modifier = received_title_empire
			target = root
		}
	}
	#is a valid murder target if scheme owner is in line of succession to any of target's titles or at least 3rd in line of succession to any titles the target is 1st to inherit
	OR = {
		any_held_title = {
			tier >= root.highest_held_title_tier
			place_in_line_of_succession = {
				target = root
				value <= {
					value = 2
					if = {
						limit = { root.highest_held_title_tier > tier_barony }
						add = 1
					}
				}
			}
		}
		any_heir_title = {
			holder != root
			tier >= root.highest_held_title_tier
			place_in_line_of_succession = {
				target = root
				value <= {
					value = 2
					if = {
						limit = { root.highest_held_title_tier > tier_barony }
						add = 1
					}
				}
			}
		}
	}
}

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