public String getTransactionId() {
        return this.transactionId;
    }
<p>
The identifier of a Bitcoin transaction. It is generated when a transaction is created.
</p>
<note>
<p>
<code>transactionId</code> is only supported on the Bitcoin networks.
</p>
</note>

@return The identifier of a Bitcoin transaction. It is generated when a transaction is created.</p> <note>
        <p>
        <code>transactionId</code> is only supported on the Bitcoin networks.
        </p>
aws-java-sdk-managedblockchainquery/src/main/java/com/amazonaws/services/managedblockchainquery/model/ListTransactionEventsRequest.java