woocommerce_new_product_variation_data │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_new_product_variation_data', 'wp_kama_woocommerce_new_product_variation_data_filter' );

/**
 * Function for `woocommerce_new_product_variation_data` filter-hook.
 * 
 * @param  $array 
 *
 * @return 
 */
function wp_kama_woocommerce_new_product_variation_data_filter( $array ){

	// filter...
	return $array;
}
$array
-

Where the hook is called

WC_Product_Variation_Data_Store_CPT::create()
woocommerce_new_product_variation_data
woocommerce/includes/data-stores/class-wc-product-variation-data-store-cpt.php 146-163 
apply_filters(
	'woocommerce_new_product_variation_data',
	array(
		'post_type'      => 'product_variation',
		'post_status'    => $product->get_status() ? $product->get_status() : 'publish',
		'post_author'    => get_current_user_id(),
		'post_title'     => $product->get_name( 'edit' ),
		'post_excerpt'   => $product->get_attribute_summary( 'edit' ),
		'post_content'   => '',
		'post_parent'    => $product->get_parent_id(),
		'comment_status' => 'closed',
		'ping_status'    => 'closed',
		'menu_order'     => $product->get_menu_order(),
		'post_date'      => gmdate( 'Y-m-d H:i:s', $product->get_date_created( 'edit' )->getOffsetTimestamp() ),
		'post_date_gmt'  => gmdate( 'Y-m-d H:i:s', $product->get_date_created( 'edit' )->getTimestamp() ),
		'post_name'      => $product->get_slug( 'edit' ),
	)
),

Where the hook is used in WooCommerce

Usage not found.