object_of_importance_exist_trigger

object_of_importance_exist_trigger = {
	save_temporary_scope_as = original_scope
	OR = {
		AND = {
			has_variable_list = lover_object_of_importance
			variable_list_size = {
				name = lover_object_of_importance
				value = 2
			}
			is_target_in_variable_list = {
				name = lover_object_of_importance
				target = $LOVER$
			}
		}
		AND = {
			has_variable_list = lover_object_of_importance_2
			variable_list_size = {
				name = lover_object_of_importance_2
				value = 2
			}
			is_target_in_variable_list = {
				name = lover_object_of_importance_2
				target = $LOVER$
			}
		}
		$LOVER$ = {
			has_variable_list = lover_object_of_importance
			variable_list_size = {
				name = lover_object_of_importance
				value = 2
			}
			is_target_in_variable_list = {
				name = lover_object_of_importance
				target = scope:original_scope
			}
		}
		$LOVER$ = {
			has_variable_list = lover_object_of_importance_2
			variable_list_size = {
				name = lover_object_of_importance_2
				value = 2
			}
			is_target_in_variable_list = {
				name = lover_object_of_importance_2
				target = scope:original_scope
			}
		}
	}
}

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