public void setServiceName(String serviceName) {
        this.serviceName = serviceName;
    }
<p>
The Amazon Web Services service name whose API was invoked.
</p>

@param serviceName
       The Amazon Web Services service name whose API was invoked.
aws-java-sdk-guardduty/src/main/java/com/amazonaws/services/guardduty/model/AwsApiCallAction.java