Chunks

<?php
    
/**
 * Run the migrations.
 *
 * @return void
 */
public function up()
{
    /** @var \LCI\Blend\Blendable\Chunk $myChunk */
    $myChunk = $this->blender->getBlendableLoader()->getBlendableChunk('myChunk');
    
    // replace my/package with your Composer Package name as listed on your composer.json file
    // Then the full relative file path of your file
    $myChunk
        ->setSeedsDir($this->getSeedsDir())// This is needed to set the down() data
        ->setFieldDescription('This is my local test chunk, note this is limited to 255 or something')
        ->setFieldCategory('My Site=>Chunks')
        //  file path                                          Media Source name, assuming you do not change the default MODX file system media source:
        ->setAsStatic('core/components/local/elements/chunk/myChunk.tpl', 'filesystem');
        // OR see the Local and Package Development documents for more info
        //->setAsStatic('my/project/src/elements/chunks/myChunk.tpl','orchestrator');
    
    // The blend() method will create a back/down data before saving to allow for easy revert with the revertBlend method
    if ($myChunk->blend(true)) {
        $this->blender->out($myChunk->getFieldName().' was saved correctly');
    
    } else {
        //error
        $this->blender->outError($myChunk->getFieldName().' did not save correctly ');
        $this->blender->outError(print_r($myChunk->getErrorMessages(), true), \LCI\Blend\Blender::VERBOSITY_DEBUG);
    }
}

/**
 * Reverse the migrations.
 *
 * @return void
 */
public function down()
{
    /** @var \LCI\Blend\Blendable\Chunk $myChunk */
    $myChunk = $this->blender->getBlendableLoader()->getBlendableChunk('myChunk');
    $myChunk->setSeedsDir($this->getSeedsDir());// This is needed to retrieve the down data
    
    if ( $myChunk->revertBlend() ) {
        $this->blender->out($myChunk->getFieldName().' chunk has been reverted to '.$this->getSeedsDir());
    
    } else {
        $this->blender->outError($myChunk->getFieldName().' chunk was not reverted');
    }
}