diff --git a/src/HomeSpan.h b/src/HomeSpan.h
index fc0a2fc..481e7f7 100644
--- a/src/HomeSpan.h
+++ b/src/HomeSpan.h
@@ -225,6 +225,7 @@ struct SpanService{
   SpanService *setPrimary();                              // sets the Service Type to be primary and returns pointer to self
   SpanService *setHidden();                               // sets the Service Type to be hidden and returns pointer to self
   SpanService *addLink(SpanService *svc);                 // adds svc as a Linked Service and returns pointer to self
+  vector<SpanService *> getLinks(){return(linkedServices);}   // returns linkedServices vector for use as range in "for-each" loops
 
   int sprintfAttributes(char *cBuf);                      // prints Service JSON records into buf; return number of characters printed, excluding null terminator
   void validate();                                        // error-checks Service
@@ -238,7 +239,6 @@ struct SpanService{
 
 struct SpanCharacteristic{
 
-
   union UVal {                                  
     BOOL_t BOOL;
     UINT8_t UINT8;
diff --git a/src/src.ino b/src/src.ino
index 2d66f71..df75ea3 100644
--- a/src/src.ino
+++ b/src/src.ino
@@ -74,7 +74,7 @@ void setup() {
       new Characteristic::Name("Light 3");
       new Characteristic::TargetPosition();
       new Characteristic::OzoneDensity();
-      (new Characteristic::OzoneDensity())->addPerms(PW+AA)->removePerms(EV+PR);
+      (new Characteristic::OzoneDensity())->addPerms(PW|AA)->removePerms(EV|PR);
 
 } // end of setup()