Как в mFilter2 сортировать товари по наличии?

{'!mFilter2'|snippet:[
                'parents'=>$_modx->resource.id,
                'element'=>'msProducts',
                'class'=>'msProduct',
                'sortby'=> '{"menuindex":"ASC"}',
                'sortbyTV'=>'Prod04',
                'sortdirTV'=>'DESC',
                'limit'=>$lim,
                'tplOuter'=>'tpl.mFilter2.outer_dev2',
                'tpl'=>'tpl.mFilter2.productrow_dev2',
                'tpls'=>'tpl.mFilter2.productrow_dev2,tpl.mFilter2.productrow_dev2',
                
                'tplFilter.outer.msoption|size'=>'tpl.mFilter2.filter.outer_size_dev',
                'tplFilter.row.msoption|size'=>'tpl.mFilter2.filter.checkboxSize',
                'tplFilter.outer.msoc|color~value~color'=>'tpl.msOptionsColor.outer_dev',
                'tplFilter.row.msoc|color~value~color'=>'tpl.mFilter2.filter.checkbox.color',
                'tplPage' => '@INLINE <li><a href="{$href}" class="page_link">{$pageNo}</a></li>',
                'tplPageWrapper' => '@INLINE <ul class="pagination__list">{$prev}{$pages}{$next}</ul>',
                'tplPageActive' => '@INLINE <li><span class="page_link active">{$pageNo}</span></li>',
                'tplPageSkip' => '@INLINE <li><span class="page">...</span></li>',
                'tplPageNext' => '@INLINE <li class="pagination__next"><a href="{$href}"><svg class="icon"><use xlink:href="/assets/site/css/icons.svg#icon_arrov_pagination"></use></svg></a></li>',
                'tplPageNextEmpty' => ',',
                'tplPagePrev' => '@INLINE <li class="pagination__prev"><a href="{$href}"><svg class="icon"><use xlink:href="/assets/site/css/icons.svg#icon_arrov_pagination"></use></svg></a></li>',
                'tplPagePrevEmpty' => ',',
                'tplPageLast' => '@INLINE <li><a href="{$href}" class="pagination__last"></a></li>',
                'tplPageLastEmpty' => ',',
                'tplPageFirst' => '@INLINE <li><a href="{$href}" class="pagination__first"></a></li>',
                'tplPageFirstEmpty' => ',',
                'pageLimit' => 8,
            ]}