diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2099b5c..af3c84f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.10)
+cmake_minimum_required(VERSION 3.30)
 
 # set vars
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
@@ -18,6 +18,7 @@ set(ENGINE_SOURCES
     src/Engine/Operator/GeometryOperator.cpp
     src/Engine/Operator/GeometryConnection.cpp
     src/Engine/Operator/GeometryOpDef.cpp
+    src/Engine/Operator/OperatorTable.cpp
     src/Engine/Operator/GOP_test.cpp
     src/Engine/Operator/GOP_transform.cpp
     src/Engine/Network/NetworkManager.cpp
@@ -57,6 +58,8 @@ find_package (Eigen3 3.3 REQUIRED NO_MODULE)
 # tbb
 find_package(TBB REQUIRED COMPONENTS TBB::tbb)
 
+find_package(Boost REQUIRED COMPONENTS filesystem system)
+
 
 
 qt_add_executable(${AppExec}
@@ -84,9 +87,12 @@ add_executable(${TestExec}
     tests/OperatorTests.cpp
     tests/NetworkTests.cpp
 )
-target_link_libraries(${TestExec} PRIVATE Catch2::Catch2WithMain Eigen3::Eigen Qt6::Core TBB::tbb)
+target_link_libraries(${TestExec} PRIVATE Catch2::Catch2WithMain Eigen3::Eigen Qt6::Core TBB::tbb Boost::filesystem Boost::system)
 target_compile_definitions(${TestExec} PRIVATE UNIT_TEST)
-target_include_directories(${TestExec} PUBLIC src)
+target_include_directories(${TestExec} PUBLIC
+    src
+    ${BOOST_INCLUDE_DIRS}
+)
 
 # benchmarks
 add_executable(${BenchExec}
@@ -98,3 +104,4 @@ target_link_libraries(${BenchExec} PRIVATE Catch2::Catch2WithMain Eigen3::Eigen
 target_compile_definitions(${BenchExec} PRIVATE UNIT_TEST)
 target_include_directories(${BenchExec} PUBLIC src)
 
+add_subdirectory(src/OpDefs)
diff --git a/src/Engine/Operator/GeometryOpDef.h b/src/Engine/Operator/GeometryOpDef.h
index f619c3f..87677e5 100644
--- a/src/Engine/Operator/GeometryOpDef.h
+++ b/src/Engine/Operator/GeometryOpDef.h
@@ -1,11 +1,12 @@
 #pragma once
 #include "Engine/Operator/Geometry.h"
 #include "Engine/Types.h"
+#include <boost/config.hpp>
 
 namespace enzo::nt
 {
 
-class GeometryOpDef
+class BOOST_SYMBOL_EXPORT GeometryOpDef
 {
 public:
     GeometryOpDef(enzo::nt::OpId opId);
diff --git a/src/Engine/Operator/OperatorTable.cpp b/src/Engine/Operator/OperatorTable.cpp
new file mode 100644
index 0000000..e3ef910
--- /dev/null
+++ b/src/Engine/Operator/OperatorTable.cpp
@@ -0,0 +1,10 @@
+#include "Engine/Operator/OperatorTable.h"
+
+#include <iostream>
+
+void enzo::op::OperatorTable::addOperator(nt::opConstructor ctorFunc)
+{
+    std::cout << "OPERATOR TABLE ADDED\n";
+    // ctorFunc(5);
+    ctorStore_.push_back(ctorFunc);
+}
diff --git a/src/Engine/Operator/OperatorTable.h b/src/Engine/Operator/OperatorTable.h
new file mode 100644
index 0000000..26292a7
--- /dev/null
+++ b/src/Engine/Operator/OperatorTable.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#include <boost/config.hpp>
+#include "Engine/Network/NetworkManager.h"
+
+namespace enzo::op
+{
+class BOOST_SYMBOL_EXPORT OperatorTable
+{
+public:
+    void addOperator(nt::opConstructor ctorFunc);
+private:
+    std::vector<nt::opConstructor> ctorStore_;
+};
+}
diff --git a/src/OpDefs/CMakeLists.txt b/src/OpDefs/CMakeLists.txt
new file mode 100644
index 0000000..09f993f
--- /dev/null
+++ b/src/OpDefs/CMakeLists.txt
@@ -0,0 +1,23 @@
+cmake_minimum_required(VERSION 3.30)
+
+project(enzoOps1)
+
+find_package(Boost REQUIRED)
+# eigen (math)
+find_package (Eigen3 3.3 REQUIRED NO_MODULE)
+
+set(libName enzoOps1)
+add_library(${libName} SHARED
+    main.cpp
+    ../Engine/Operator/OperatorTable.cpp
+    ../Engine/Operator/GeometryOpDef.cpp
+    ../Engine/Operator/Geometry.cpp
+    ../Engine/Operator/Attribute.cpp
+    ../Engine/Network/NetworkManager.cpp
+)
+target_link_libraries(${libName} PRIVATE Qt6::Core Qt6::Widgets Qt6::SvgWidgets Qt6::OpenGLWidgets glm::glm Eigen3::Eigen TBB::tbb)
+
+
+MESSAGE("CURRENT SOURCE DIR" ${CMAKE_CURRENT_SOURCE_DIR})
+target_include_directories(${libName} PUBLIC ../)
+target_include_directories(${libName} PUBLIC .)
diff --git a/src/OpDefs/GopTransform.hpp b/src/OpDefs/GopTransform.hpp
new file mode 100644
index 0000000..ada4397
--- /dev/null
+++ b/src/OpDefs/GopTransform.hpp
@@ -0,0 +1,15 @@
+#pragma once
+#include "Engine/Operator/GeometryOpDef.h"
+
+class GopTransform
+: public enzo::nt::GeometryOpDef
+{
+public:
+    GopTransform(enzo::nt::OpId opId);
+    virtual void cookOp();
+    static enzo::nt::GeometryOpDef* ctor(enzo::nt::OpId opId)
+    {
+        return new GopTransform(opId);
+    }
+
+};
diff --git a/src/OpDefs/main.cpp b/src/OpDefs/main.cpp
new file mode 100644
index 0000000..beab512
--- /dev/null
+++ b/src/OpDefs/main.cpp
@@ -0,0 +1,56 @@
+#include "Engine/Operator/OperatorTable.h"
+#include "OpDefs/GopTransform.hpp"
+#include <boost/config.hpp>
+#include <boost/dll.hpp>
+#include <string>
+#include "Engine/Operator/AttributeHandle.h"
+#include <iostream>
+
+extern "C"
+{ BOOST_SYMBOL_EXPORT std::string myVar = "hello world";
+    BOOST_SYMBOL_EXPORT void newSopOperator(enzo::op::OperatorTable* table)
+    {
+        table->addOperator(
+            &GopTransform::ctor
+        );
+    }
+
+}
+
+GopTransform::GopTransform(enzo::nt::OpId opId)
+: enzo::nt::GeometryOpDef(opId)
+{
+
+}
+
+void GopTransform::cookOp()
+{
+    using namespace enzo;
+
+    if(outputRequested(0))
+    {
+        // copy input geometry
+        geo::Geometry geo = cloneInputGeo(0);
+
+        // ----
+        // create geometry start
+        // ----
+        auto PAttr = geo.getAttribByName(ga::AttrOwner::POINT, "P");
+        ga::AttributeHandleVector3 PAttrHandle(PAttr);
+
+        for(int i=0; i<PAttrHandle.getAllValues().size(); ++i)
+        {
+            enzo::bt::Vector3 vector = PAttrHandle.getValue(i);
+            vector.y()+=2.5;
+            PAttrHandle.setValue(i, vector);
+        }
+        // ----
+
+
+
+        // set output geometry
+        setOutputGeometry(0, geo);
+    }
+
+}
+
diff --git a/tests/main-tests.cpp b/tests/main-tests.cpp
index c1b8b7c..8af8c51 100644
--- a/tests/main-tests.cpp
+++ b/tests/main-tests.cpp
@@ -1,6 +1,7 @@
 #include <catch2/catch_test_macros.hpp>
 #include <oneapi/tbb/parallel_for.h>
 #include <iostream>
+#include <boost/dll/import.hpp>
 
 TEST_CASE("foo")
 {
@@ -17,3 +18,25 @@ TEST_CASE("tbb")
                   << std::this_thread::get_id() << std::endl;
     });
 }
+
+TEST_CASE("boost dll")
+{
+    std::cout << "Using Boost "     
+          << BOOST_VERSION / 100000     << "."  // major version
+          << BOOST_VERSION / 100 % 1000 << "."  // minor version
+          << BOOST_VERSION % 100                // patch level
+          << std::endl;
+
+
+    boost::shared_ptr<std::string> cpp_var = boost::dll::import_symbol<std::string>(
+            "build/src/OpDefs/libenzoOps1.so", "myVar"
+        );
+    std::cout << "VAR: " << *cpp_var << "\n";
+
+    auto cpp11_func = boost::dll::import_symbol<void(int&&)>(
+        "build/src/OpDefs/libenzoOps1.so", "newSopOperator"
+    );
+
+    cpp11_func(5);
+
+}