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        $('body').on('mousedown mouseup', '.main-kanban-item', function(e){           
            var id = $(this).data('id');
            console.log(id);
        });

   if (\Bitrix\Main\Loader::includeModule('crm'))     { 
        $entity = new CCrmLead; 
        $fields = array( 
            'COMMENTS' => $_POST['comments'],
            'UF_CRM_1552909305022' => $_POST['MY_UF_CRM_1552909305022'],
            'UF_CRM_1552909481731' => $_POST['MY_UF_CRM_1552909481731'],
            'UF_CRM_1555325554087' => $_POST['MY_UF_CRM_1555325554087'],
            'UF_CRM_1557996788' => $_POST['MY_UF_CRM_1557996788'],
            'UF_CRM_1557996343' => $_POST['MY_UF_CRM_1557996343'],
            'UF_CRM_1557996343' => $_POST['MY_SOURCE_ID'],
        ); 

        if($entity->update($_POST['idity'], $fields)){
            echo "Ok";
        }else{
            echo "Bad";
        }
    }