ros2 topic echo detector/detections empty

[an99990]

Hi, So I basically just remapped the node to subscribe to the zed stream. However when I try to echo the detections i get nothing. I leave my rqt_graph here. As you can see detector which i renamed darknet is subscribed to /zed/zed_node/stereo/image_rect_color This is mon launch file

import os
from launch import LaunchDescription
from launch_ros.actions import Node
from ament_index_python.packages import get_package_share_directory

def generate_launch_description():

    config_yolo = os.path.join(
        get_package_share_directory('openrobotics_darknet_ros'),
        'config',
         'detector_node_params.yaml'
    )

    return LaunchDescription([
        Node(
            package='openrobotics_darknet_ros',
            executable='detector_node',
            name='darknet',
            parameters=[config_yolo],
            remappings=[
        ('/darknet/images', '/zed/zed_node/stereo/image_rect_color'),
        ],
        )    
        ]
      )

Please advise