diff --git a/services/backup/docker-server/contents/server/CMakeLists.txt b/services/backup/docker-server/contents/server/CMakeLists.txt
index 46a4b3209..fee1159b6 100644
--- a/services/backup/docker-server/contents/server/CMakeLists.txt
+++ b/services/backup/docker-server/contents/server/CMakeLists.txt
@@ -1,131 +1,132 @@
 PROJECT(backup C CXX)
 
 cmake_minimum_required(VERSION 3.16)
 
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY bin)
 
 if(COMMAND cmake_policy)
   cmake_policy(SET CMP0003 NEW)
 endif(COMMAND cmake_policy)
 
 set(CMAKE_CXX_STANDARD 17)
 
 # FIND LIBS
 set(protobuf_MODULE_COMPATIBLE TRUE)
 find_package(Protobuf CONFIG REQUIRED)
 message(STATUS "Using protobuf ${Protobuf_VERSION}")
 
 set(_PROTOBUF_LIBPROTOBUF protobuf::libprotobuf)
 set(_PROTOBUF_PROTOC $<TARGET_FILE:protobuf::protoc>)
 
 # gRPC building parameters
 set(gRPC_BUILD_CSHARP_EXT OFF)
 set(gRPC_SSL_PROVIDER "package" CACHE STRING "SSL library provider")
 # Disable unused plugins
 set(gRPC_BUILD_GRPC_PHP_PLUGIN OFF)
 set(gRPC_BUILD_GRPC_RUBY_PLUGIN OFF)
 set(gRPC_BUILD_GRPC_PYTHON_PLUGIN OFF)
 set(gRPC_BUILD_GRPC_CSHARP_PLUGIN OFF)
 
 # Find gRPC installation
 # Looks for gRPCConfig.cmake file installed by gRPC's cmake installation.
 find_package(gRPC CONFIG REQUIRED)
 message(STATUS "Using gRPC ${gRPC_VERSION}")
 
 set(_GRPC_GRPCPP gRPC::grpc++)
 set(_GRPC_CPP_PLUGIN_EXECUTABLE $<TARGET_FILE:gRPC::grpc_cpp_plugin>)
 
 set(BUILD_TESTING OFF CACHE BOOL "Turn off tests" FORCE)
 
 find_package(AWSSDK REQUIRED COMPONENTS core dynamodb)
 
 find_package(Boost 1.40 COMPONENTS program_options REQUIRED)
 
 file(GLOB GENERATED_CODE "./_generated/*.cc")
 set(DEV_SOURCE_CODE "")
 set(DEV_HEADERS_PATH "")
 if ($ENV{COMM_SERVICES_DEV_MODE} MATCHES 1)
   file(GLOB DEV_SOURCE_CODE "./dev/*.cpp" "./src/*.dev.cpp")
   set(DEV_HEADERS_PATH "./dev")
 endif()
 
 file(GLOB SOURCE_CODE "./src/*.cpp")
 list(FILTER SOURCE_CODE EXCLUDE REGEX ".*.dev.cpp$")
 
 foreach (ITEM ${DEV_SOURCE_CODE})
   string(REPLACE "/" ";" SPLIT_ITEM ${ITEM})
   list(GET SPLIT_ITEM -1 FILE_FULL_NAME)
   string(REPLACE ".dev.cpp" ".cpp" FILE_NAME ${FILE_FULL_NAME})
   list(FILTER SOURCE_CODE EXCLUDE REGEX ".*${FILE_NAME}$")
   list(APPEND SOURCE_CODE "${ITEM}")
 endforeach()
 
 include_directories(
   ./src
+  ./src/DatabaseEntities
   ./_generated
   ${Boost_INCLUDE_DIR}
   ${DEV_HEADERS_PATH}
 )
 
 set(
   LIBS
 
   ${_GRPC_GRPCPP}
   ${_PROTOBUF_LIBPROTOBUF}
   gRPC::grpc++_reflection
   ${AWSSDK_LINK_LIBRARIES}
   ${Boost_LIBRARIES}
 )
 
 #SERVER
 add_executable(
   backup
   
   ${GENERATED_CODE}
   
   ${SOURCE_CODE}
 )
 
 target_link_libraries(
   backup
 
   ${LIBS}
 )
 
 install(
   TARGETS backup
   RUNTIME DESTINATION bin/
 )
 
 # TEST
 if ($ENV{COMM_TEST_SERVICES} MATCHES 1)
   file(GLOB TEST_CODE "./test/*.cpp")
   list(FILTER SOURCE_CODE EXCLUDE REGEX "./src/server.cpp")
   enable_testing()
 
   find_package(GTest REQUIRED)
   include_directories(
     ${GTEST_INCLUDE_DIR}
     ./test
   )
 
   add_executable(
     runTests
 
     ${GENERATED_CODE}
     ${SOURCE_CODE}
     ${TEST_CODE}
   )
   target_link_libraries(
     runTests
 
     ${LIBS}
     gtest
     gtest_main
   )
 
   add_test(
     NAME runTests
     COMMAND runTests
   )
 endif()
diff --git a/services/backup/docker-server/contents/server/src/DatabaseEntities/Item.h b/services/backup/docker-server/contents/server/src/DatabaseEntities/Item.h
new file mode 100644
index 000000000..bb25cdba0
--- /dev/null
+++ b/services/backup/docker-server/contents/server/src/DatabaseEntities/Item.h
@@ -0,0 +1,26 @@
+#pragma once
+
+#include <aws/core/Aws.h>
+#include <aws/dynamodb/DynamoDBClient.h>
+
+#include <string>
+
+namespace comm {
+namespace network {
+namespace database {
+
+typedef Aws::Map<Aws::String, Aws::DynamoDB::Model::AttributeValue>
+    AttributeValues;
+
+class Item {
+  virtual void validate() const = 0;
+
+public:
+  virtual std::string getTableName() const = 0;
+  virtual std::string getPrimaryKey() const = 0;
+  virtual void assignItemFromDatabase(const AttributeValues &itemFromDB) = 0;
+};
+
+} // namespace database
+} // namespace network
+} // namespace comm