Access to a warmUpFlag to pass in an FMU cosim

edit

If it helps anyone, I have found a satisfying solution, I don't know if it is state of the art, but it achieves my goals.

!-   ===========  ALL OBJECTS IN CLASS: ENERGYMANAGEMENTSYSTEM:PROGRAMCALLINGMANAGER ===========

EnergyManagementSystem:ProgramCallingManager,
    WarmupFlagCaller,        !- Name
    AfterNewEnvironmentWarmUpIsComplete,  !- EnergyPlus Model Calling Point
    WarmupFlagProgram;       !- Program Name 1


!-   ===========  ALL OBJECTS IN CLASS: ENERGYMANAGEMENTSYSTEM:PROGRAM ===========

EnergyManagementSystem:Program,
    WarmupFlagProgram,       !- Name
    SET WarmupFlagProxy = 1; !- Program Line 1


!-   ===========  ALL OBJECTS IN CLASS: ENERGYMANAGEMENTSYSTEM:GLOBALVARIABLE ===========

EnergyManagementSystem:GlobalVariable,
    WarmupFlagProxy;         !- Erl Variable 1 Name


!-   ===========  ALL OBJECTS IN CLASS: ENERGYMANAGEMENTSYSTEM:OUTPUTVARIABLE ===========

EnergyManagementSystem:OutputVariable,
    WarmUpFlagEP,            !- Name
    WarmupFlagProxy,         !- EMS Variable Name
    Averaged,                !- Type of Data in Variable
    ZoneTimestep;            !- Update Frequency


!-   ===========  ALL OBJECTS IN CLASS: EXTERNALINTERFACE:FUNCTIONALMOCKUPUNITIMPORT:FROM:VARIABLE ===========

ExternalInterface:FunctionalMockupUnitImport:From:Variable,
    EMS,                     !- Output:Variable Index Key Name
    WarmUpFlagEP,            !- Output:Variable Name
    agentFMU.fmu,     !- FMU File Name
    FMI,                     !- FMU Instance Name
    WarmUpFlag;              !- FMU Variable Name