public void setTransactionId(String transactionId) {
        this.transactionId = transactionId;
    }
<p>
The transaction ID of a Voice Connector call.
</p>

@param transactionId
       The transaction ID of a Voice Connector call.
aws-java-sdk-chimesdkvoice/src/main/java/com/amazonaws/services/chimesdkvoice/model/CallDetails.java