mkdir -p ~/ament_test/src
cd ~/ament_test/src
git clone git@github.com:ayrton04/rcl_interfaces.git -b param-arrays
cd ..
source /opt/ros/ardent/setup.bash
ament build

[ 83%] Building C object CMakeFiles/rcl_interfaces__rosidl_typesupport_introspection_c__pyext.dir/rosidl_generator_py/rcl_interfaces/msg/_parameter_value_s.c.o
/home/automatom/ros2/build/rcl_interfaces/rosidl_generator_py/rcl_interfaces/msg/_parameter_value_s.c: In function ‘rcl_interfaces_parameter_value__convert_from_py’:
/home/automatom/ros2/build/rcl_interfaces/rosidl_generator_py/rcl_interfaces/msg/_parameter_value_s.c:111:61: error: ‘rcl_interfaces__msg__ParameterValue {aka struct rcl_interfaces__msg__ParameterValue}’ has no member named ‘byte_array_value’
 if (!rosidl_generator_c__byte__Array__init(&(ros_message->byte_array_value), size))