os.loadAPI("ocs/apis/sensor")
  prox = sensor.wrap("left")

  local target = prox.getTargets()

for tarName, _ in pairs(target) do
    --fetch the detailed information table for the current target.
    local details = prox.getTargetDetails(tarName)
    for k, v in pairs(details) do
        print(tostring(k)..": "..tostring(v))
    end
end