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

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