[source lang = "cpp"]
// C++ code

class CSound { ... };
CSound* sound_pointer;

void CGlobalScriptFunctions::PlaySound(CSound& sound)
{
    m_gameEngine->PlaySound(&sound);
}

// Assume I have some ScriptManager class that setups angelscript
void CScriptManager::SetupAS()
{
    // Register the CSound type
    m_scriptEngine->RegisterObjectType("CSound", 0, asOBJ_CLASS);

    // I keep all global methods in a "Global" type so that I don't have to write c-style wrappers for all my functions
    m_scriptEngine->RegisterObjectMethod("Global", "void PlaySound(CSound &in)", asMETHOD(CGlobalScriptFunctions, PlaySound), asCALL_THISCALL);

    // Register a sound for angelscript to see.  Typically this would be done for all entities in a level
    m_scriptEngine->RegisterGlobalProperty("CSound some_sound", sound_pointer);
}


// AS code

void main()
{
    // I have a single instance of type Global called "_g"
    _g.PlaySound(some_sound);
}