		$system_transaction = Transaction::create( [
			'type' => 'paypal' ,
			'email' => $payer->getEmail() ,
			'txn_id' => $payment->getId() ,
			'amount' => $transaction->getAmount()->getTotal() ,
			'currency' => config( 'paypal.currency' ) ,
			'invoice_number' => $transaction->getInvoiceNumber()
		] );
		$this->data[ 'transaction' ] = $system_transaction;
		$items = $transaction->getItemList()->getItems();
		$this->data[ 'purchases' ] = array();
		foreach ( $items AS $item ) {
			$this->data[ 'purchases' ][ ] = Purchase::create( [
				'item_id' => $item->getSku() ,
				'order_id' => $system_transaction->id ,