<?php



namespace PayPal\Api;



/**

 * Class Transaction

 *

 * A transaction defines the contract of a payment - what is the payment for and who is fulfilling it.

 *

 * @package PayPal\Api

 *

 */

class Transaction extends TransactionBase

{

    /**

     * Additional transactions for complex payment scenarios.

     *

     *

     * @param self $transactions

     *

     * @return $this

     */

    public function setTransactions($transactions)

    {

        $this->transactions = $transactions;

        return $this;

    }



    /**

     * Additional transactions for complex payment scenarios.

     *

     * @return self[]

     */

    public function getTransactions()

    {

        return $this->transactions;

    }



    /**

     * Identifier to the purchase unit corresponding to this sale transaction

     *

     * @param string $purchase_unit_reference_id

     *

     * @return $this

     */

    public function setPurchaseUnitReferenceId($purchase_unit_reference_id)

    {

        $this->purchase_unit_reference_id = $purchase_unit_reference_id;

        return $this;

    }



    /**

     * Identifier to the purchase unit corresponding to this sale transaction

     *

     * @return string

     */

    public function getPurchaseUnitReferenceId()

    {

        return $this->purchase_unit_reference_id;

    }



}

