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 # File core/communication/topic\_registry.h

 Last update: 22.04.2026 

![](https://img.shields.io/badge/language-C%2B%2B-blue "C++")

**Location**: `core/communication/topic_registry.h`

## Namespaces

- [rtidds](namespacertidds.md#namespacertidds)
- [simulation\_framework](namespacesimulation__framework.md#namespacesimulation__framework)
- [simulation\_framework::core](namespacesimulation__framework_1_1core.md#namespacesimulation__framework_1_1core)
- [topic\_registry](namespacetopic__registry.md#namespacetopic__registry)
- [simulation\_framework::core::topic\_registry](namespacesimulation__framework_1_1core_1_1topic__registry.md#namespacesimulation__framework_1_1core_1_1topic__registry)

## Includes

- [core/communication/topic.h](topic_8h.md#topic_8h)
- core/message/rtidds/common/common.hpp
- core/message/rtidds/fmu/fmu\_message.hpp
- core/message/rtidds/generic\_bytes/generic\_bytes.hpp
- core/message/rtidds/kpi/kpi\_message.hpp
- core/message/rtidds/variant\_map/variant\_map.hpp

## Included by

- [base\_activity.h](base__activity_8h.md#base__activity_8h)
- [topic\_registry.h](autonomy_2communication_2topic__registry_2topic__registry_8h.md#autonomy_2communication_2topic__registry_2topic__registry_8h)

## Source

```cpp


#ifndef SIMFWK_CORE_COMMUNICATION_TOPICREGISTRY_H
#define SIMFWK_CORE_COMMUNICATION_TOPICREGISTRY_H

#include "core/communication/topic.h"
#include "core/message/rtidds/common/common.hpp"
#include "core/message/rtidds/fmu/fmu_message.hpp"
#include "core/message/rtidds/generic_bytes/generic_bytes.hpp"
#include "core/message/rtidds/kpi/kpi_message.hpp"
#include "core/message/rtidds/variant_map/variant_map.hpp"

namespace rtidds
{
using VariantMessage = FmuMessage;

using VariantData = FmuData;

using VariantDatatype = FmuDatatype;
}  // namespace rtidds

namespace simulation_framework
{
namespace core
{
namespace topic_registry
{


using StringTopicType = Topic<rtidds::CommonString>;

using KpiMessageTopicType = Topic<rtidds::KpiMessage>;

using GenericBytesTopicType = Topic<rtidds::GenericBytesMessage>;

using FmuMessageTopicType = Topic<rtidds::FmuMessage>;

using VariantDataTopicType = Topic<rtidds::VariantMessage>;

using VariantMapTopicType = Topic<rtidds::VariantMap>;

}  // namespace topic_registry
}  // namespace core
}  // namespace simulation_framework

#endif  // SIMFWK_CORE_COMMUNICATION_TOPICREGISTRY_H

```