is_blackmailable_secret_trigger

is_blackmailable_secret_trigger = { #Should not include is known
	$PARTICIPANT$ = { save_temporary_scope_as = is_blackmailable_secret_participant }
	$BLACKMAILER$ = { save_temporary_scope_as = is_blackmailable_secret_blackmailer }
	is_shunned_or_criminal_for = scope:is_blackmailable_secret_participant
	can_be_exposed_by = scope:is_blackmailable_secret_blackmailer
	#Can we actually add a hook of the correct type
	trigger_if = {
		limit = { is_shunned_for = scope:is_blackmailable_secret_participant }
		custom_description = {
			text = "already_has_a_superior_hook"
			subject = scope:is_blackmailable_secret_blackmailer
			object = scope:is_blackmailable_secret_participant
			scope:is_blackmailable_secret_blackmailer = {
				can_add_hook = {
					type = weak_blackmail_hook
					target = scope:is_blackmailable_secret_participant
				}
			}
		}
	}
	trigger_if = {
		limit = { is_criminal_for = scope:is_blackmailable_secret_participant }
		custom_description = {
			text = "already_has_a_superior_hook"
			subject = scope:is_blackmailable_secret_blackmailer
			object = scope:is_blackmailable_secret_participant
			scope:is_blackmailable_secret_blackmailer = {
				can_add_hook = {
					type = strong_blackmail_hook
					target = scope:is_blackmailable_secret_participant
				}
			}
		}
	}
	#If an AI promised not to reveal a secret they have to be very dishonest to do it
	trigger_if = {
		limit = { exists = var:promised_not_to_reveal}
		custom_description = {
			text = "promised_not_to_reveal_secret"
			var:promised_not_to_reveal = scope:is_blackmailable_secret_blackmailer
			scope:is_blackmailable_secret_blackmailer = {
				is_ai = yes
				ai_honor <= medium_negative_ai_value
			}
		}
	}
	
	#Some things you can't blackmail others about
	custom_description = {
		text = "cant_blackmail_another_witch"
		subject = scope:is_blackmailable_secret_blackmailer
		NAND = {
			secret_type = secret_witch
			scope:is_blackmailable_secret_blackmailer = { is_witch_trigger = yes }
		}
	}
	# Can't blackmail a crypto-religionist of the same faith
	trigger_if = {
		limit = { secret_type = secret_crypto_religionist }
		custom_description = {
			text = cannot_blackmail_crypto_religionist_of_same_faith
			scope:is_blackmailable_secret_blackmailer = {
				NOR = {
					exists = secret_faith
					secret_faith ?= scope:is_blackmailable_secret_participant.secret_faith
				}
			}
		}
	}
	trigger_if = {
		limit = { secret_type = secret_lover }
		custom_description = {
			text = cannot_blackmail_own_lover_secret
			secret_target != scope:is_blackmailable_secret_blackmailer
		}
	}
	trigger_if = {
		limit = {
			secret_type = secret_unmarried_illegitimate_child
		}
		custom_description = {
			text = cannot_blackmail_over_own_bastard
			secret_target = {
				NOR = {
					mother = scope:is_blackmailable_secret_blackmailer
					real_father = scope:is_blackmailable_secret_blackmailer
				}
			}
		}
	}
	trigger_if = {
		limit = {
			secret_type = secret_disputed_heritage
		}
		custom_description = {
			text = cannot_blackmail_over_own_bastard
			NOT = {
				secret_target = {
					OR = {
						mother = scope:is_blackmailable_secret_blackmailer
						real_father = scope:is_blackmailable_secret_blackmailer
					}
				}
			}
		}
	}
}

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