Using ROS2 snaps in strict mode gives error

snapcraft
10 
parts:
   snapcraft-preload:
   source: https://github.com/sergiusens/snapcraft-preload.git
   plugin: cmake
   build-packages:
      - on arm64:
        - g++-multilib-arm-linux-gnueabihf
        - gcc-multilib-arm-linux-gnueabihf
   organize:
        usr/local/bin/snapcraft-preload: bin/snapcraft-preload
apps:
    os-ros-server:
         command: bin/snapcraft-preload opt/ros/foxy/bin/ros2 run tt2_os_ros_server os_service
         extensions: [ros2-foxy]
         plugs: [network, network-bind, i2c-1, network-manager, network-control]
         daemon: simple
         environment:
              PYTHONPATH: $SNAP/usr/lib/python3/dist-packages:$PYTHONPATH

This is how i did in my snapcraft yaml file, is this right?