Transport Package with the resources assigned to the resource group

$tmp = array(
    array(
        'id' => 2,
        'pagetitle' => 'First',
        'parent' => 0,
        'alias' => 'First',
        'published' => 1,
 
        'setup_file_content' => 'fitst' /*file containing the content for this resource*/
    ),
    array(
        'id' => 3,
        'pagetitle' => 'Second',
        'parent' => 2,
        'alias' => 'Second',
        'published' => 1,
    ),
);
$i = 0;
foreach($tmp as $res){
    $temp_obj = $modx->newObject('modResource');
    $temp_obj->fromArray($res, '', true, true);
    if(!empty($res['setup_file_content'])){
        $temp_obj->setContent(file_get_contents($sources['resources'].$res['setup_file_content'].'.tpl'));
    }
 
    $resources[$i] = $temp_obj;
    $i++;
}
unset($tmp, $temp_obj);
return $resources;

...
 
/* @var modResourceGroup*/
$modx->log(xPDO::LOG_LEVEL_INFO,'Created Resource Group.');
$ResGroup = $modx->newObject('modResourceGroup');
$ResGroup->fromArray(array(
    'name' => 'MyGroup',
    'private_memgroup' => 0,
    'private_webgroup' => 0,
), '', true, true);
$ResGroupRes = $modx->newObject('modResourceGroupResource');
 
...
 
/* add resources */
if (defined('BUILD_RESOURCE_UPDATE')) {
    $resources = include_once $sources['data'].'transport.resources.php';
    if (empty($resources)) { $modx->log(modX::LOG_LEVEL_ERROR,'... no resources to add to package.');}
    if (is_array($resources)) {
        $ResGroupRes->addMany($resources);
        $ResGroup->addMany($ResGroupRes);
    }
}
 
...
 
///*create Resource Group vehicle*/
$attr = array(
    xPDOTransport::UNIQUE_KEY => 'id',
    xPDOTransport::PRESERVE_KEYS => false,
    xPDOTransport::UPDATE_OBJECT => true,
    xPDOTransport::RELATED_OBJECTS => true,
    xPDOTransport::RELATED_OBJECT_ATTRIBUTES => array (
        'ResourceGroupResources' => array(
            xPDOTransport::UNIQUE_KEY => array('document_group', 'document'),
            xPDOTransport::PRESERVE_KEYS => false,
            xPDOTransport::UPDATE_OBJECT => true,
            xPDOTransport::RELATED_OBJECTS => true,
            xPDOTransport::RELATED_OBJECT_ATTRIBUTES => array(
                'Resources' => array(
                    xPDOTransport::UNIQUE_KEY => 'id',
                    xPDOTransport::PRESERVE_KEYS => false,
                    xPDOTransport::UPDATE_OBJECT => true,
                ),
            ),
        ),
    ),
);
$vehicle = $builder->createVehicle($ResGroup, $attr);
unset($ResGroup, $attr);

$ResGroup->addMany($Resources);

'categories' => array(
        'Example' => array(
            'category' => 'Example',
            'parent' => '',  /* top level category */
        ),
        'category2' => array(
            'category' => 'Category2',
            'parent' => 'Example', /* nested under Example */
        )
    ),

'resources' => array(
        'Resource1' => array( /* minimal example */
            'pagetitle' => 'Resource1',
            'alias' => 'resource1',
            'context_key' => 'example',
        ),
        'Resource2' => array( /* example with other fields */
            'pagetitle' => 'Resource2',
            'alias' => 'resource2',
            'context_key' => 'example',
            'parent' => 'Resource1',
            'template' => 'Template2',
            'richtext' => false,
            'published' => true,
            'tvValues' => array(
                'Tv1' => 'SomeValue',
                'Tv2' => 'SomeOtherValue',
            ),
        ),
    ),