woocommerce_valid_webhook_events filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_valid_webhook_events', 'filter_function_name_4975' );
function filter_function_name_4975( $array ){
	// filter...

	return $array;
}

$array

-

Where the hook is called

$valid_events    = apply_filters( 'woocommerce_valid_webhook_events', array( 'created', 'updated', 'deleted', 'restored' ) );

Where in WP core the hook is used WooCommerce