diff --git a/v4/cli.cpp b/v4/cli.cpp
index cdd8a91..0090eef 100644
--- a/v4/cli.cpp
+++ b/v4/cli.cpp
@@ -1,6 +1,8 @@
+
 #include <map>
 #include <string>
 #include <vector>
+#include "ctx.h"
 #include "llm.h"
 #include "memory_Context.h"
 #include "main.h"
diff --git a/v4/cli_test.cpp b/v4/cli_test.cpp
index c24f5bd..83c1a18 100644
--- a/v4/cli_test.cpp
+++ b/v4/cli_test.cpp
@@ -1,6 +1,8 @@
+
 #include <map>
 #include <string>
 #include <vector>
+#include "ctx.h"
 #include "llm.h"
 #include "memory_Context.h"
 #include "main.h"
diff --git a/v4/ctx.h b/v4/ctx.h
new file mode 100644
index 0000000..907225f
--- /dev/null
+++ b/v4/ctx.h
@@ -0,0 +1,15 @@
+#include <string>
+#include <vector>
+
+#ifndef ctx_HEADER
+#define ctx_HEADER
+
+template <class T> class ctx_Controller {
+  T context;
+
+  ctx_Controller(const T &c) {
+    context = c;
+  }
+};
+
+#endif // ctx_HEADER
diff --git a/v4/Controller.py b/v4/ctx.py
similarity index 98%
rename from v4/Controller.py
rename to v4/ctx.py
index 21a85e7..76ad2cb 100644
--- a/v4/Controller.py
+++ b/v4/ctx.py
@@ -1,6 +1,6 @@
 import copy
 
-class Controller:
+class ctx_Controller:
   def __init__(self, c):
     self.callbacks = []
     self.context = c
diff --git a/v4/llm_test.cpp b/v4/llm_test.cpp
index a0049ba..5dcc3d3 100644
--- a/v4/llm_test.cpp
+++ b/v4/llm_test.cpp
@@ -1,6 +1,8 @@
+
 #include <map>
 #include <string>
 #include <vector>
+#include "ctx.h"
 #include "llm.h"
 #include "memory_Context.h"
 #include "main.h"
diff --git a/v4/main.py b/v4/main.py
index d028108..c97f108 100644
--- a/v4/main.py
+++ b/v4/main.py
@@ -1,9 +1,9 @@
 from cli import *
 from cli_test import *
+from ctx import *
 from llm_test import *
 from llm_test_Python import *
 from memory_test import *
-from Controller import *
 import sys
 
 print(llm_test_Python_copyByValue())
@@ -35,7 +35,7 @@ print(cli_test_reportMatchedItems())
 print(cli_test_reportMismatchedItems())
 print(cli_test_reportVictory())
 
-ctrl = Controller(memory_createContext())
+ctrl = ctx_Controller(memory_createContext())
 ctrl.registerFunctions([
   cli_exit,
   cli_goOn,
diff --git a/v4/memory.cpp b/v4/memory.cpp
index 7b731cf..0448251 100644
--- a/v4/memory.cpp
+++ b/v4/memory.cpp
@@ -1,6 +1,8 @@
+
 #include <map>
 #include <string>
 #include <vector>
+#include "ctx.h"
 #include "llm.h"
 #include "memory_Context.h"
 #include "main.h"
diff --git a/v4/memory_Context.cpp b/v4/memory_Context.cpp
index d21fb82..cd3ce1c 100644
--- a/v4/memory_Context.cpp
+++ b/v4/memory_Context.cpp
@@ -1,5 +1,24 @@
 #include "memory_Context.h"
 
+
+template <typename T> T memory_Context::field(const std::string &fieldName) {
+  if (fieldName == "didLaunch") {
+    return didLaunch;
+  }
+
+  // TODO
+
+  return 0;
+}
+
+template <typename T> void memory_Context::setField(const std::string &fieldName, T value) {
+  if (fieldName == "didLaunch") {
+    didLaunch = value;
+  }
+
+  // TODO
+}
+
 memory_Context memory_createContext() {
   return memory_Context();
 }
diff --git a/v4/memory_Context.h b/v4/memory_Context.h
index 16bd33e..ea99ff3 100644
--- a/v4/memory_Context.h
+++ b/v4/memory_Context.h
@@ -1,6 +1,7 @@
 #include <map>
 #include <string>
 #include <vector>
+#include "ctx.h"
 
 #ifndef memory_Context_HEADER
 #define memory_Context_HEADER
@@ -11,6 +12,7 @@ struct memory_Context {
   std::string input = "";
   std::vector<int> hiddenItems;
   std::vector<int> mismatchedItems;
+  std::string recentField = "none";
   std::string outputGoOn = "";
   std::string outputGreeting = "";
   std::string outputHelp = "";
@@ -20,10 +22,12 @@ struct memory_Context {
   std::string outputVictory = "";
   std::map<int, int> playfieldItems;
   int playfieldSize = 0;
-  std::string recentField = "none";
   int selectedId = -1;
   std::vector<int> selectedItems;
   bool victory = false;
+
+  template <typename T> T field(const std::string &fieldName);
+  template <typename T> void setField(const std::string &fieldName, T value);
 };
 
 memory_Context memory_createContext();
diff --git a/v4/memory_test.cpp b/v4/memory_test.cpp
index 5936364..e6d9a99 100644
--- a/v4/memory_test.cpp
+++ b/v4/memory_test.cpp
@@ -1,6 +1,8 @@
+
 #include <map>
 #include <string>
 #include <vector>
+#include "ctx.h"
 #include "llm.h"
 #include "memory_Context.h"
 #include "main.h"
diff --git a/v4/tPythonC++/CPP.py b/v4/tPythonC++/CPP.py
index 7516839..364f7cd 100644
--- a/v4/tPythonC++/CPP.py
+++ b/v4/tPythonC++/CPP.py
@@ -1,9 +1,11 @@
 from Function import *
 
 def includes():
-    return """#include <map>
+    return """
+#include <map>
 #include <string>
 #include <vector>
+#include "ctx.h"
 #include "llm.h"
 #include "memory_Context.h"
 #include "main.h"