divorce_is_justified_trigger

divorce_is_justified_trigger = {
	OR = {
		relation_with_character_is_incestuous_in_my_faith_trigger = { CHARACTER = scope:secondary_recipient	}
		AND = {
			faith = scope:recipient.faith
			sex_same_as = scope:secondary_recipient
			allowed_to_marry_same_sex_trigger = no
		}
		scope:secondary_recipient = {
			has_character_modifier = wedding_accused_impotency_modifier
		}
		scope:secondary_recipient = {
			any_relation = {
				type = lover
				NOR = {
					this = $DIVORCER$
					this = scope:recipient
				}
				relation_with_character_is_incestuous_in_my_rite_trigger = { CHARACTER = scope:secondary_recipient	}
			}
		}
		scope:secondary_recipient = {
			exposed_cheating_on_spouse_trigger = { SPOUSE = $DIVORCER$ }
		}
		scope:secondary_recipient = {
			is_female = no
			is_eunuch_trigger = yes
		}
		AND = {
			any_consort = {
				is_alive = yes
				this != scope:secondary_recipient
			}
			any_consort = {
				this = scope:secondary_recipient
			}
			AND = {
				scope:secondary_recipient.culture = { NOT = { has_cultural_tradition = tradition_polygamous } }
				scope:secondary_recipient.rite = { NOT = { rite_has_doctrine = doctrine_polygamy } }
			}
		}
		scope:secondary_recipient.faith = {
			faith_hostility_level = {
				target = scope:recipient.faith
				value >= faith_hostile_level
			}
		}
		scope:secondary_recipient = {
			has_trait = adulterer
		}
		scope:secondary_recipient = {
			fertility < 0.1
			NOT = {
				any_child = {
					any_parent = {
						this = $DIVORCER$
					}
				}
			}
		}
		$DIVORCER$ = {
			has_opinion_modifier = {
				modifier = attempted_murder_me_crime
				target = scope:secondary_recipient
			}
		}
	}
}

As written in game/common/scripted_triggers/pam_scripted_triggers.txt.