diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..ca2785e
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,16 @@
+cmake_minimum_required(VERSION 3.5)
+project(vermin_collector_ros_msgs)
+# Default to C++14
+if(NOT CMAKE_CXX_STANDARD)
+  set(CMAKE_CXX_STANDARD 14)
+endif()
+if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+  add_compile_options(-Wall -Wextra -Wpedantic)
+endif()
+find_package(ament_cmake REQUIRED)
+find_package(rosidl_default_generators REQUIRED)
+rosidl_generate_interfaces(${PROJECT_NAME}
+"msg/Num.msg"
+ )
+ament_export_dependencies(rosidl_default_runtime)
+ament_package()
diff --git a/msg/Num.msg b/msg/Num.msg
new file mode 100644
index 0000000..5a7c026
--- /dev/null
+++ b/msg/Num.msg
@@ -0,0 +1 @@
+int64 num
\ No newline at end of file
diff --git a/package.xml b/package.xml
new file mode 100644
index 0000000..c1e3298
--- /dev/null
+++ b/package.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0"?>
+<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
+<package format="3">
+  <name>vermin_collector_ros_msgs</name>
+  <version>0.0.1</version>
+  <description>TODO: Package description</description>
+  <maintainer email="user@todo.todo">user</maintainer>
+  <license>TODO: License declaration</license>
+  <buildtool_depend>ament_cmake</buildtool_depend>
+  <buildtool_depend>rosidl_default_generators</buildtool_depend>
+  <exec_depend>rosidl_default_runtime</exec_depend>
+  <member_of_group>rosidl_interface_packages</member_of_group>
+  <test_depend>ament_lint_auto</test_depend>
+  <test_depend>ament_lint_common</test_depend>
+  <export>
+    <build_type>ament_cmake</build_type>
+  </export>
+</package>
\ No newline at end of file