public void setTransactionId(String transactionId) {
        this.transactionId = transactionId;
    }
<p>
Specifies the transaction ID of the page to be fetched.
</p>

@param transactionId
       Specifies the transaction ID of the page to be fetched.
aws-java-sdk-qldbsession/src/main/java/com/amazonaws/services/qldbsession/model/FetchPageRequest.java