diff --git a/PolygonClientUtilities/Config.h b/PolygonClientUtilities/Config.h
index 900f192..b4b5458 100644
--- a/PolygonClientUtilities/Config.h
+++ b/PolygonClientUtilities/Config.h
@@ -3,11 +3,21 @@
 #define MFC2010
 #define ARBITERBUILD
 
+// when ARBITERBUILD is defined, the following changes occur:
+// DataModel->getJobId is hooked
+// StandardOut->print is hooked
+// Network::RakNetAddressToString is hooked
+// -jobId arg becomes available
+// HTTP requests and output messages are logged to a file
+
 // RobloxApp (2010)
 #ifdef MFC2010
 #define CLASSLOCATION_CROBLOXAPP                   0x00BFF898
 #define CLASSLOCATION_CAPP                         0x00405D20
 
+#define CLASSPADDING_CROBLOXDOC__WORKSPACE         40
+#define CLASSPADDING_DATAMODEL__JOBID              730
+
 #define STRUCTOFFSET_DATAMODEL__JOBID              2912      
 
 #define ADDRESS_DATAMODEL__GETJOBID                0x005CACC0
@@ -29,6 +39,8 @@
 #define CLASSLOCATION_CROBLOXAPP                   0x00CBA8A0
 #define CLASSLOCATION_CAPP                         0x00406D80
 
+#define CLASSPADDING_CROBLOXDOC__WORKSPACE         45
+
 #define STRUCTOFFSET_DATAMODEL__JOBID              2956      
 
 #define ADDRESS_DATAMODEL__GETJOBID                0x005E70C0
diff --git a/PolygonClientUtilities/RobloxMFCClasses.h b/PolygonClientUtilities/RobloxMFCClasses.h
index 522ff3e..7e6ea09 100644
--- a/PolygonClientUtilities/RobloxMFCClasses.h
+++ b/PolygonClientUtilities/RobloxMFCClasses.h
@@ -4,6 +4,14 @@
 
 #include <oaidl.h>
 
+/* struct DataModel
+{
+	void* padding1[CLASSPADDING_DATAMODEL__JOBID];
+	std::string* jobId;
+}; */
+
+class DataModel;
+
 #if defined(MFC2010) || defined(MFC2011)
 class CWorkspace;
 
@@ -15,15 +23,12 @@ const auto CWorkspace__ExecUrlScript = (HRESULT(__stdcall*)(CWorkspace * workspa
 
 struct CRobloxDoc
 {
-	void* padding1[40];
+	void* padding1[CLASSPADDING_CROBLOXDOC__WORKSPACE];
 	CWorkspace* workspace;
 };
 
 // padding1[4] = offset of 0x10
-// padding1[40] = offset of 0xA0 (160)
-// possible options
-// padding1[46] = offset of 0xB8
-// padding1[84] = offset of 0x150
+// padding1[40] = offset of 0xA0
 struct CApp;
 
 // const auto CApp__CreateGame = (CWorkspace * (__thiscall*)(CApp * _this, void*, int, LPCWSTR))ADDRESS_CAPP__CREATEGAME;
diff --git a/PolygonClientUtilities/RobloxMFCHooks.cpp b/PolygonClientUtilities/RobloxMFCHooks.cpp
index 293056d..107b0e5 100644
--- a/PolygonClientUtilities/RobloxMFCHooks.cpp
+++ b/PolygonClientUtilities/RobloxMFCHooks.cpp
@@ -74,7 +74,7 @@ void __fastcall Crypt__verifySignatureBase64_hook(HCRYPTPROV* _this, void*, char
 }
 
 #ifdef ARBITERBUILD
-int __fastcall DataModel__getJobId_hook(char* _this, void*, int a2)
+int __fastcall DataModel__getJobId_hook(DataModel* _this, void*, int a2)
 {
     // this only sets the job id when game.jobId is called by lua
     // so the gameserver script must call game.jobId at the beginning for this to take effect
@@ -87,8 +87,7 @@ int __fastcall DataModel__getJobId_hook(char* _this, void*, int a2)
         jobIdPtr += 4;
 #endif
 
-        std::string* jobIdValue = (std::string*)jobIdPtr;
-        jobIdValue->assign(jobId);
+        ((std::string*)jobIdPtr)->assign(jobId);
 
         setJobId = true;
     }
diff --git a/PolygonClientUtilities/RobloxMFCHooks.h b/PolygonClientUtilities/RobloxMFCHooks.h
index f93cbd9..e73c72f 100644
--- a/PolygonClientUtilities/RobloxMFCHooks.h
+++ b/PolygonClientUtilities/RobloxMFCHooks.h
@@ -2,14 +2,12 @@
 
 #include "RobloxMFCClasses.h"
 
-// #include <atlstr.h>
-
 // Type Definitions //
 
 typedef BOOL(__thiscall* Http__trustCheck_t)(const char* url);
 typedef void(__thiscall* Crypt__verifySignatureBase64_t)(HCRYPTPROV* _this, char a2, int a3, int a4, int a5, int a6, int a7, int a8, char a9, int a10, int a11, int a12, int a13, int a14, int a15);
 #ifdef ARBITERBUILD
-typedef INT(__thiscall* DataModel__getJobId_t)(char* _this, int a2);
+typedef INT(__thiscall* DataModel__getJobId_t)(DataModel* _this, int a2);
 typedef void(__thiscall* StandardOut__print_t)(int _this, int type, std::string* message);
 // typedef void(__thiscall* Network__RakNetAddressToString_t)(int raknetAddress, bool writePort, char portDelineator);
 #endif
@@ -39,7 +37,7 @@ extern CRobloxCommandLineInfo__ParseParam_t CRobloxCommandLineInfo__ParseParam;
 BOOL __fastcall Http__trustCheck_hook(const char* url);
 void __fastcall Crypt__verifySignatureBase64_hook(HCRYPTPROV* _this, void*, char a2, int a3, int a4, int a5, int a6, int a7, int a8, char a9, int a10, int a11, int a12, int a13, int a14, int a15);
 #ifdef ARBITERBUILD
-INT  __fastcall DataModel__getJobId_hook(char* _this, void*, int a2);
+INT  __fastcall DataModel__getJobId_hook(DataModel* _this, void*, int a2);
 void __fastcall StandardOut__print_hook(int _this, void*, int type, std::string* message);
 // std::string __fastcall Network__RakNetAddressToString_hook(int raknetAddress, bool writePort, char portDelineator);
 #endif
diff --git a/README.md b/README.md
index c304c6d..616495e 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,19 @@
 Manages DLLs for extending game client/server functionality 
 
 Based off [ndoesstuff/JoinScriptUrlImpl](https://github.com/ndoesstuff/JoinScriptUrlImpl) as per the MIT license
+
+Test command line parameter reimplementation (2010/2011 only):  
+> RobloxApp.exe -a http://polygondev.pizzaboxer.xyz/login/negotiate.ashx -t 0 -j http://polygondev.pizzaboxer.xyz/game/visit.ashx
+
+Test trust check:  
+> Insert a new brick with decal  
+> Try setting decal ID to http://tadah.rocks - Should succeed  
+> Try setting decal ID to http://tadah.rocks@example.com - Should fail  
+
+Test signature check:  
+> Run loadfile("rbxasset://signatureinvalid.txt")() - Should throw an exception  
+> Run loadfile("rbxasset://signatureoverflow.txt")() - Should throw an exception  
+
+Test output and jobId (Arbiter builds only):  
+> RobloxApp.exe -jobId ExampleJobId - Should open an output console  
+> Run print(game.jobId) - Should print "ExampleJobId" in the console  
\ No newline at end of file