Passing Variables from AngelScript to C++ -

i want pass variable angelscript c++.
managed pass functions angelscript c++ , vice versa.
can pass variables c++ angelscript, can't figure out how other way round.
manual didn't me or have overseen part.
can please give me hint?

edit:

as mentioned in comment here managed do.

in test.as file:

int add(int a, int b) {     print("hello world, i'm angelscript\n");     multi(5, 13);     print("c " + c + "\n");     return (a + b); } 

my test.cpp file:

int multi(int x, int y) {     int z = x * y;     cout << "x aus dem skript: " << x << endl;     cout << "y aus dem skript: " << y << endl;     printf("ergebnis von multi x * y: %d\n", z);     return z; }  void print(string &msg) {     printf("%s", msg.c_str()); }  int _tmain(int argc, _tchar* argv[]) {     int r;     int c = 42;      asiscriptengine *engine = ascreatescriptengine(angelscript_version);      registerstdstring(engine);      // pass function print angelscript     r = engine->registerglobalfunction("void print(const string &in)", asfunction(print), ascall_cdecl); assert(r >= 0);     // pass function multi angelscript     r = engine->registerglobalfunction("int multi(int, int)", asfunction(multi), ascall_cdecl); assert(r >= 0);     // pass variable c angelscript     r = engine->registerglobalproperty("int c", &c); assert(r >= 0);      file *f = fopen("test.as", "rb");      fseek(f, 0, seek_end);     int len = ftell(f);     fseek(f, 0, seek_set);      string script;     script.resize(len);     fread(&script[0], len, 1, f);      fclose(f);      mod->addscriptsection("script", &script[0], len);     mod->build();      asiscriptcontext *ctx = engine->createcontext();      // function add angelscript     asiscriptfunction *func = engine->getmodule("test.as")->getfunctionbydecl("int add(int, int)");      ctx->prepare(func);     ctx->setargdword(0, 7);     ctx->setargdword(1, 20);      if (ctx->execute() == asexecution_finished)     {         asdword returnvalue = ctx->getreturndword();         cout << "result of + b is: " << returnvalue << endl;     }      ctx->release();     engine->release();      return 0; } 

here output when run code posted after making few small modifications.

https://gyazo.com/cb264842efa76d153f9f5c0f962b391d

here code after adding small changes, explain added after.

int multi(int x, int y) {     int z = x * y;     cout << "x aus dem skript: " << x << endl;     cout << "y aus dem skript: " << y << endl;     printf("ergebnis von multi x * y: %d\n", z);     return z; }  void print(string &msg) {     printf("%s", msg.c_str()); }  int _tmain(int argc, _tchar* argv[]) {     int r;     int c = 42;      asiscriptengine *engine = ascreatescriptengine(angelscript_version);      registerstdstring(engine);      // pass function print angelscript     r = engine->registerglobalfunction("void print(const string &in)", asfunction(print), ascall_cdecl); assert(r >= 0);     // pass function multi angelscript     r = engine->registerglobalfunction("int multi(int, int)", asfunction(multi), ascall_cdecl); assert(r >= 0);     // pass variable c angelscript     r = engine->registerglobalproperty("int c", &c); assert(r >= 0);      file *f = fopen("test.as", "rb");      fseek(f, 0, seek_end);     int len = ftell(f);     fseek(f, 0, seek_set);      string script;     script.resize(len);     fread(&script[0], len, 1, f);      fclose(f);      // create our module , add our script section build!     asiscriptmodule *mod = engine->getmodule(0, asgm_always_create);     r = mod->addscriptsection("script", &script[0], len); assert(r >= 0);     r = mod->build(); assert(r >= 0);      asiscriptcontext *ctx = engine->createcontext();      // function add angelscript     asiscriptfunction *func = mod->getfunctionbydecl("int add(int, int)");      ctx->prepare(func);     ctx->setargdword(0, 7);     ctx->setargdword(1, 20);      if (ctx->execute() == asexecution_finished)     {         asdword returnvalue = ctx->getreturndword();         cout << "result of + b is: " << returnvalue << endl;     }      ctx->release();     engine->release();      return 0; } 

all had change how built module since did not post how created module. if copy , paste have worked perfectly

    // create our module , add our script section build!     asiscriptmodule *mod = engine->getmodule(0, asgm_always_create);     r = mod->addscriptsection("script", &script[0], len); assert(r >= 0);     r = mod->build(); assert(r >= 0); 

also had module pointer use directly when getting function declaration

    // function add angelscript     asiscriptfunction *func = mod->getfunctionbydecl("int add(int, int)"); 

the way defined multi function correct , how supposed done. i'm not sure issue guess how created module , maybe loaded wrong name. hope helps!