RTI Connext DDS Micro  Version 3.0.0.1
HelloWorld.idl
1 struct HelloWorld {
2  long id; //@key
3  string<128> msg;
4  sequence<octet, 1000> image;
5 };

RTI Connext DDS Micro Version 3.0.0.1 Copyright © Mon Aug 5 2019 Real-Time Innovations, Inc