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 # File fmu\_config.h

 Last update: 22.04.2026 

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

**Location**: `core/lifecycle/fmu_activity/fmu_config.h`

## Classes

- [simulation\_framework::core::lifecycle::FmuConfig](structsimulation__framework_1_1core_1_1lifecycle_1_1FmuConfig.md#structsimulation__framework_1_1core_1_1lifecycle_1_1FmuConfig)

## Namespaces

- [simulation\_framework](namespacesimulation__framework.md#namespacesimulation__framework)
- [simulation\_framework::core](namespacesimulation__framework_1_1core.md#namespacesimulation__framework_1_1core)
- [simulation\_framework::core::lifecycle](namespacesimulation__framework_1_1core_1_1lifecycle.md#namespacesimulation__framework_1_1core_1_1lifecycle)

## Includes

- core/export/simfwk\_core\_export.h
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## Included by

- [fmu\_base\_activity.h](fmu__base__activity_8h.md#fmu__base__activity_8h)
- [i\_activity\_factory.h](i__activity__factory_8h.md#i__activity__factory_8h)
- [i\_fmu\_logic.h](i__fmu__logic_8h.md#i__fmu__logic_8h)

## Source

```cpp


#ifndef SIMFWK_CORE_LIFECYCLE_FMUACTIVITY_FMUCONFIG_H
#define SIMFWK_CORE_LIFECYCLE_FMUACTIVITY_FMUCONFIG_H

#include "core/export/simfwk_core_export.h"
#include <cstdint>
#include <map>
#include <set>
#include <string>
#include <variant>
#include <vector>

namespace simulation_framework
{
namespace core
{
namespace lifecycle
{

using FmuInOutType = std::variant<bool, int, double, std::string, std::vector<uint8_t>>;
using FmuInOutMap = std::map<std::string, FmuInOutType>;
using FmuTopicToVarNames = std::map<std::string, std::set<std::string>>;
using FmuTopicToVarMap = std::map<std::string, FmuInOutMap>;
using FmuMessageToVarNames = std::map<std::string, std::string>;
using FmuVarToMessageNames = std::map<std::string, std::string>;

struct SIMFWK_CORE_API FmuConfig
{
    enum class MessageType
    {
        kFmuMessage,
        kGenericBytesMessage
    };

    std::string path;

    FmuTopicToVarNames topics_to_inputs{};

    FmuTopicToVarNames topics_to_init_params{};

    FmuTopicToVarNames topics_to_outputs{};

    FmuMessageToVarNames message_to_var_name{};

    FmuVarToMessageNames var_to_message_name{};

    std::map<std::string, MessageType> topic_to_message_type{};
};

}  // namespace lifecycle
}  // namespace core
}  // namespace simulation_framework

#endif  // SIMFWK_CORE_LIFECYCLE_FMUACTIVITY_FMUCONFIG_H

```