runtime/env_manager/config/nodes.lua

NODES = {
    --[[
    talker_node = {
        name = "talker",
        type = "Publisher",
        msg_type = "std_msgs/String",
    },
    service_node = {
        name = "add_two_ints",
        type = "Service",
        msg_type = "example_interfaces/AddTwoInts"
    },]]--
    camera_node = {
        name = "camera_node",
        type = "Publisher",
        msg_type = "sensor_msgs/Image"
    },
}