public void setServiceName(String serviceName) {
        this.serviceName = serviceName;
    }
<p>
Filters the returned results to only those for the specified Amazon Web Services service. If not specified, then
Amazon Web Services returns service-specific credentials for all services.
</p>

@param serviceName
       Filters the returned results to only those for the specified Amazon Web Services service. If not
       specified, then Amazon Web Services returns service-specific credentials for all services.
aws-java-sdk-iam/src/main/java/com/amazonaws/services/identitymanagement/model/ListServiceSpecificCredentialsRequest.java