@@ -2,12 +2,47 @@
 
 #include "PythonScript.h"
 
+static void callback(void *arg) {
+	UPythonScript *self = (UPythonScript *)arg;
+	self->CallSpecificFunctionWithArgs();
+}
+
 void UPythonScript::Run() {
 	FUnrealEnginePythonModule &PythonModule = FModuleManager::GetModuleChecked<FUnrealEnginePythonModule>("UnrealEnginePython");
 	PythonModule.RunFile(TCHAR_TO_UTF8(*ScriptPath));
+	if (!FunctionToCall.IsEmpty()) {
+		CallSpecificFunctionWithArgs();
+	}
 }
 
 void UPythonScript::RunSandboxed() {
 	FUnrealEnginePythonModule &PythonModule = FModuleManager::GetModuleChecked<FUnrealEnginePythonModule>("UnrealEnginePython");
-	PythonModule.RunFileSandboxed(TCHAR_TO_UTF8(*ScriptPath));
+	PythonModule.RunFileSandboxed(TCHAR_TO_UTF8(*ScriptPath), callback, this);
+}
+
+void UPythonScript::CallSpecificFunctionWithArgs() {
+	PyObject *function_to_call = PyDict_GetItemString(PyEval_GetGlobals(), TCHAR_TO_UTF8(*FunctionToCall));
+	if (!function_to_call) {
+		UE_LOG(LogPython, Error, TEXT("unable to find function %s"), *FunctionToCall);
+		return;
+	}
+
+	int n = FunctionArgs.Num();
+	PyObject *args = nullptr;
+
+	if (n > 0)
+		args = PyTuple_New(n);
+
+	for (int i = 0; i < n; i++) {
+		PyTuple_SetItem(args, i, PyUnicode_FromString(TCHAR_TO_UTF8(*FunctionArgs[i])));
+	}
+
+	PyObject *ret = PyObject_Call(function_to_call, args, nullptr);
+	Py_DECREF(args);
+	if (!ret) {
+		unreal_engine_py_log_error();
+	}
+	else {
+		Py_DECREF(ret);
+	}
 }
@@ -102,7 +102,7 @@ static PyObject *py_unreal_engine_sandbox_exec(PyObject * self, PyObject * args)
 		return NULL;
 	}
 	FUnrealEnginePythonModule &PythonModule = FModuleManager::GetModuleChecked<FUnrealEnginePythonModule>("UnrealEnginePython");
-	PythonModule.RunFileSandboxed(filename);
+	PythonModule.RunFileSandboxed(filename, nullptr, nullptr);
 	Py_INCREF(Py_None);
 	return Py_None;
 }
 
@@ -282,7 +282,7 @@ void FUnrealEnginePythonModule::RunFile(char *filename) {
 }
 
 // run a python script in a new sub interpreter (useful for unit tests)
-void FUnrealEnginePythonModule::RunFileSandboxed(char *filename) {
+void FUnrealEnginePythonModule::RunFileSandboxed(char *filename, void (*callback)(void *arg), void *arg) {
 	FScopePythonGIL gil;
 	char *full_path = filename;
 	if (!FPaths::FileExists(filename))
@@ -348,6 +348,10 @@ void FUnrealEnginePythonModule::RunFileSandboxed(char *filename) {
 		return;
 	}
 #endif
+
+	if (callback)
+		callback(arg);
+
 	Py_EndInterpreter(py_new_state);
 	PyThreadState_Swap(_main);
 }
 
@@ -25,5 +25,6 @@ class UPythonScript : public UObject
 	UFUNCTION()
 	void RunSandboxed();
 
+	void CallSpecificFunctionWithArgs();
 };
 
@@ -22,7 +22,7 @@ class UNREALENGINEPYTHON_API FUnrealEnginePythonModule : public IModuleInterface
 	void RunString(char *);
 	void RunStringSandboxed(char *);
 	void RunFile(char *);
-	void RunFileSandboxed(char *);
+	void RunFileSandboxed(char *, void(*callback)(void *arg), void *arg);
 
 	void UESetupPythonInterpreter(bool);
Original file line number	Diff line number	Diff line change
`@@ -102,7 +102,7 @@ static PyObject py_unreal_engine_sandbox_exec(PyObject self, PyObject * args)`
`102`	`102`	`return NULL;`
`103`	`103`	`}`
`104`	`104`	`FUnrealEnginePythonModule &PythonModule = FModuleManager::GetModuleChecked<FUnrealEnginePythonModule>("UnrealEnginePython");`
`105`		`- PythonModule.RunFileSandboxed(filename);`
	`105`	`+ PythonModule.RunFileSandboxed(filename, nullptr, nullptr);`
`106`	`106`	`Py_INCREF(Py_None);`
`107`	`107`	`return Py_None;`
`108`	`108`	`}`
Original file line number	Diff line number	Diff line change
`@@ -282,7 +282,7 @@ void FUnrealEnginePythonModule::RunFile(char *filename) {`
`282`	`282`	`}`
`283`	`283`
`284`	`284`	`// run a python script in a new sub interpreter (useful for unit tests)`
`285`		`-void FUnrealEnginePythonModule::RunFileSandboxed(char *filename) {`
	`285`	`+void FUnrealEnginePythonModule::RunFileSandboxed(char filename, void (callback)(void arg), void arg) {`
`286`	`286`	`FScopePythonGIL gil;`
`287`	`287`	`char *full_path = filename;`
`288`	`288`	`if (!FPaths::FileExists(filename))`
`@@ -348,6 +348,10 @@ void FUnrealEnginePythonModule::RunFileSandboxed(char *filename) {`
`348`	`348`	`return;`
`349`	`349`	`}`
`350`	`350`	`#endif`
	`351`	`+`
	`352`	`+ if (callback)`
	`353`	`+ callback(arg);`
	`354`	`+`
`351`	`355`	`Py_EndInterpreter(py_new_state);`
`352`	`356`	`PyThreadState_Swap(_main);`
`353`	`357`	`}`