os.loadAPI("ocs/apis/sensor")
os.loadAPI("ocs/apis/graph")
local sensor = peripheral.wrap("back")
-- get basic details of the targets the sensor has detected
local targets = sensor.getTargets()
-- loop through them
for name, details in pairs(targets) do

  print("Found a target of type "..details["type"])
  print("Details:")

  -- get full details for the current target
  local fulldetails = sensor.getTargetDetails(name)

  -- print out each detail one by one
  for key, value in pairs(fulldetails) do
    print(key..": "..tostring(value))
  end

end