Add & delete Shopware Attributes using the new CRUD feature

Add.php

<?php

$attr = Shopware()->Container()->get("shopware_attribute.crud_service");

$attr->update(
	"attributes_table",
	'your_field_name',
	'field_type',
	[
		'label' => 'Display Label',
		'displayInBackend' => true,
		'position' => 1
	]
);	

$meta = Shopware()->Models()->getConfiguration()->getMetadataCacheImpl();
$meta->deleteAll();

Shopware()->Models()->generateAttributeModels(
	['attributes_table']
);

Delete.php

<?php

$attr = Shopware()->Container()->get('shopware_attribute.crud_service');

$attr->delete(
	'attributes_table',
	'your_field'
);

$meta = Shopware()->Models()->getConfiguration()->getMetadataCacheImpl();
$meta->deleteAll();

Shopware()->Models()->generateAttributeModels(
	['attributes_table']
);