execute_opinion_effect

execute_opinion_effect = {
	$VICTIM$ = {
		# Victim's family & spouse hates executioner
		every_close_family_member = {
			limit = { NOT = { this = $EXECUTIONER$ } }
			add_to_temporary_list = victim_family_list
		}
		every_spouse = {
			limit = {
				NOR = {
					this = $EXECUTIONER$
					is_in_list = victim_family_list
				}
			}
			add_to_temporary_list = victim_family_list
		}
		
		if = {
			limit = {
				any_in_list = {
					list = victim_family_list
					count > 0
				}
			}
			if = {
				limit = {
					$EXECUTIONER$ = {
						has_execute_reason = $VICTIM$
					}
				}
				every_in_list = {
					list = victim_family_list
					custom = all_close_family_and_spouses
					add_opinion = {
						target = $EXECUTIONER$
						modifier = executed_close_family
					}
				}
			}
			else = {
				every_in_list = {
					list = victim_family_list
					custom = all_close_family_and_spouses
					add_opinion = {
						target = $EXECUTIONER$
						modifier = executed_close_family_crime
					}
				}
			}
		}

		# Victim's dynasty hates executioner
		if = {
			limit = {
				exists = dynasty
				exists = $EXECUTIONER$.dynasty
				NOT = { dynasty = $EXECUTIONER$.dynasty }
				NOT = {
					$EXECUTIONER$ = {
						has_execute_reason = $VICTIM$
					}
				}
			}
			dynasty = {
				every_dynasty_member = {
					limit = {
						NOR = {
							this = $VICTIM$
							is_in_list = victim_family_list
						}
					}
					custom = all_dynasty_members
					add_to_temporary_list = victim_dynasty_list
					add_opinion = {
						target = $EXECUTIONER$
						modifier = executed_dynasty_member
					}
				}
			}
		}
		
		# Victim's friends and lovers
		every_relation = {
			type = friend
			limit = {
				NOR = {
					this = $VICTIM$
					is_in_list = victim_family_list
					is_in_list = victim_dynasty_list
				}
			}
			add_to_list = victim_close_relations_list
		}
		every_relation = {
			type = lover
			limit = {
				NOR = {
					this = $VICTIM$
					is_in_list = victim_family_list
					is_in_list = victim_dynasty_list
					is_in_list = victim_close_relations_list
				}
			}
			add_to_list = victim_close_relations_list
		}
		if = {
			limit = {
				any_in_list = {
					list = victim_close_relations_list
					always = yes
				}
			}
			every_in_list = {
				list = victim_close_relations_list
				limit = {
					NOT = { this = $EXECUTIONER$ }
				}
				custom = all_friends_and_lovers
				add_opinion = {
					target = $EXECUTIONER$

As written in game/common/scripted_effects/00_prison_effects.txt.