Please help with FilterControl !

[vsemradu]

(new FilterControl('status', FilterOperation::OPERATOR_EQ, $input('status')))->setView(
                    new TemplateView('select', [
                        'options' => Purchase::itemAlias(Purchase::ITEM_ALIAS_TYPE_STATUS, null, 'All'),
                        'inputAttributes' => [
//                            'class' => 'js-chosen',
                            'placeholder' => 'All',

                        ],

                    ])
                ),

Please help. How add custom operation? I need add conditions . How i can do this?