1 
  2 float ScannerRange = 2; //radius in m of scan area
  3 float ScanFrequency = 15; //no of secs between scans
  4 string VisitorIsAt="my home"; //location of scanner
  5 
  6 default
  7 {
  8     state_entry()
  9     {
 10         llSensorRepeat("", "", AGENT, ScannerRange, PI, ScanFrequency);  // regularly scan for people
 11     }
 12     
 13     sensor(integer number_detected)
 14     {
 15         integer i;
 16         for(i = 0; i < number_detected; i++)  // Create a loop to let us check each
 17         {
 18               if(llDetectedKey(i) != llGetOwner())  // Is this someone other than the owner?
 19               {
 20 
 21                    llInstantMessage(llGetOwner(), llDetectedName(i) + " freeze right there! why are you snoping around next to " + VisitorIsAt);  // send an IM to the owner.
 22             }
 23         }
 24 
 25 
 26     }
 27 }
 28 // END //