diff --git a/src/HAP.cpp b/src/HAP.cpp
index bad8448..3001c64 100644
--- a/src/HAP.cpp
+++ b/src/HAP.cpp
@@ -149,8 +149,8 @@ void HAPClient::init(){
   Serial.print("\n");
 
   uint8_t tHash[48];
-  TempBuffer <char> tBuf(homeSpan.sprintfAttributes(NULL)+1);
-  homeSpan.sprintfAttributes(tBuf.buf);  
+  TempBuffer <char> tBuf(homeSpan.sprintfAttributes(NULL,GET_META|GET_PERMS|GET_TYPE|GET_DESC)+1);
+  homeSpan.sprintfAttributes(tBuf.buf,GET_META|GET_PERMS|GET_TYPE|GET_DESC);  
   mbedtls_sha512_ret((uint8_t *)tBuf.buf,tBuf.len(),tHash,1);     // create SHA-384 hash of JSON (can be any hash - just looking for a unique key)
 
   if(memcmp(tHash,homeSpan.hapConfig.hashCode,48)){           // if hash code of current HAP database does not match stored hash code
@@ -1071,7 +1071,7 @@ int HAPClient::getCharacteristicsURL(char *urlBuf){
       numIDs++;
   
   char *ids[numIDs];            // reserve space for number of IDs found
-  int flags=GET_AID;            // flags indicating which characteristic fields to include in response (HAP Table 6-13)
+  int flags=GET_VALUE|GET_AID;  // flags indicating which characteristic fields to include in response (HAP Table 6-13)
   numIDs=0;                     // reset number of IDs found
 
   char *lastSpace=strchr(urlBuf,' ');
diff --git a/src/HomeSpan.cpp b/src/HomeSpan.cpp
index 5814f9f..0b611d4 100644
--- a/src/HomeSpan.cpp
+++ b/src/HomeSpan.cpp
@@ -899,6 +899,17 @@ void Span::processSerialCommand(const char *c){
     }
     break;
 
+
+    case 'C': {
+
+      char cNum[16];
+      sprintf(cNum,"%d",++hapConfig.configNumber);
+      mdns_service_txt_item_set("_hap","_tcp","c#",cNum);            // Accessory Current Configuration Number (updated whenever config of HAP Accessory Attribute Database is updated)      
+
+      Serial.printf("\n*** Configuration number updated to: %d\n\n",hapConfig.configNumber);
+    }
+    break;    
+
     case 'i':{
 
       Serial.print("\n*** HomeSpan Info ***\n\n");
@@ -1001,8 +1012,11 @@ void Span::processSerialCommand(const char *c){
           
       } // Accessories
       
-      Serial.printf("\nConfigured as Bridge: %s\n\n",isBridge?"YES":"NO");
-      Serial.printf("Database Validation:  Warnings=%d, Errors=%d\n\n",nWarnings,nErrors);            
+      Serial.printf("\nConfigured as Bridge: %s\n",isBridge?"YES":"NO");
+      if(hapConfig.configNumber>0)
+        Serial.printf("Configuration Number: %d\n",hapConfig.configNumber);
+      Serial.printf("\nDatabase Validation:  Warnings=%d, Errors=%d\n\n",nWarnings,nErrors);
+          
 
       char d[]="------------------------------";
       Serial.printf("%-30s  %8s  %10s  %s  %s  %s  %s  %s\n","Service","UUID","AID","IID","Update","Loop","Button","Linked Services");
@@ -1100,14 +1114,14 @@ void Span::setWifiCredentials(const char *ssid, const char *pwd){
 
 ///////////////////////////////
 
-int Span::sprintfAttributes(char *cBuf){
+int Span::sprintfAttributes(char *cBuf, int flags){
 
   int nBytes=0;
 
   nBytes+=snprintf(cBuf,cBuf?64:0,"{\"accessories\":[");
 
   for(int i=0;i<Accessories.size();i++){
-    nBytes+=Accessories[i]->sprintfAttributes(cBuf?(cBuf+nBytes):NULL);    
+    nBytes+=Accessories[i]->sprintfAttributes(cBuf?(cBuf+nBytes):NULL,flags);    
     if(i+1<Accessories.size())
       nBytes+=snprintf(cBuf?(cBuf+nBytes):NULL,cBuf?64:0,",");
     }
@@ -1358,7 +1372,7 @@ int Span::sprintfNotify(SpanBuf *pObj, int nObj, char *cBuf, int conNum){
         if(notifyFlag)                                                           // already printed at least one other characteristic
           nChars+=snprintf(cBuf?(cBuf+nChars):NULL,cBuf?64:0,",");               // add preceeding comma before printing next characteristic
         
-        nChars+=pObj[i].characteristic->sprintfAttributes(cBuf?(cBuf+nChars):NULL,GET_AID+GET_NV);    // get JSON attributes for characteristic
+        nChars+=pObj[i].characteristic->sprintfAttributes(cBuf?(cBuf+nChars):NULL,GET_VALUE|GET_AID|GET_NV);    // get JSON attributes for characteristic
         notifyFlag=true;
         
       } // notification requested
@@ -1476,13 +1490,13 @@ SpanAccessory::SpanAccessory(uint32_t aid){
 
 ///////////////////////////////
 
-int SpanAccessory::sprintfAttributes(char *cBuf){
+int SpanAccessory::sprintfAttributes(char *cBuf, int flags){
   int nBytes=0;
 
   nBytes+=snprintf(cBuf,cBuf?64:0,"{\"aid\":%u,\"services\":[",aid);
 
   for(int i=0;i<Services.size();i++){
-    nBytes+=Services[i]->sprintfAttributes(cBuf?(cBuf+nBytes):NULL);    
+    nBytes+=Services[i]->sprintfAttributes(cBuf?(cBuf+nBytes):NULL,flags);    
     if(i+1<Services.size())
       nBytes+=snprintf(cBuf?(cBuf+nBytes):NULL,cBuf?64:0,",");
     }
@@ -1535,7 +1549,7 @@ SpanService *SpanService::addLink(SpanService *svc){
 
 ///////////////////////////////
 
-int SpanService::sprintfAttributes(char *cBuf){
+int SpanService::sprintfAttributes(char *cBuf, int flags){
   int nBytes=0;
 
   nBytes+=snprintf(cBuf,cBuf?64:0,"{\"iid\":%d,\"type\":\"%s\",",iid,type);
@@ -1559,7 +1573,7 @@ int SpanService::sprintfAttributes(char *cBuf){
   nBytes+=snprintf(cBuf?(cBuf+nBytes):NULL,cBuf?64:0,"\"characteristics\":[");
   
   for(int i=0;i<Characteristics.size();i++){
-    nBytes+=Characteristics[i]->sprintfAttributes(cBuf?(cBuf+nBytes):NULL,GET_META|GET_PERMS|GET_TYPE|GET_DESC);    
+    nBytes+=Characteristics[i]->sprintfAttributes(cBuf?(cBuf+nBytes):NULL,flags);    
     if(i+1<Characteristics.size())
       nBytes+=snprintf(cBuf?(cBuf+nBytes):NULL,cBuf?64:0,",");
   }
@@ -1609,7 +1623,7 @@ int SpanCharacteristic::sprintfAttributes(char *cBuf, int flags){
   if(flags&GET_TYPE)  
     nBytes+=snprintf(cBuf?(cBuf+nBytes):NULL,cBuf?64:0,",\"type\":\"%s\"",type);
 
-  if(perms&PR){    
+  if((perms&PR) && (flags&GET_VALUE)){    
     if(perms&NV && !(flags&GET_NV))
       nBytes+=snprintf(cBuf?(cBuf+nBytes):NULL,cBuf?64:0,",\"value\":null");
     else
diff --git a/src/HomeSpan.h b/src/HomeSpan.h
index 3e3ae37..cc364ae 100644
--- a/src/HomeSpan.h
+++ b/src/HomeSpan.h
@@ -59,7 +59,7 @@ enum {
   GET_EV=16,
   GET_DESC=32,
   GET_NV=64,
-  GET_ALL=255
+  GET_VALUE=128
 };
 
 ///////////////////////////////
@@ -215,7 +215,8 @@ struct Span{
   void commandMode();                           // allows user to control and reset HomeSpan settings with the control button
   void processSerialCommand(const char *c);     // process command 'c' (typically from readSerial, though can be called with any 'c')
 
-  int sprintfAttributes(char *cBuf);            // prints Attributes JSON database into buf, unless buf=NULL; return number of characters printed, excluding null terminator, even if buf=NULL
+  int sprintfAttributes(char *cBuf, int flags=GET_VALUE|GET_META|GET_PERMS|GET_TYPE|GET_DESC);   // prints Attributes JSON database into buf, unless buf=NULL; return number of characters printed, excluding null terminator
+  
   void prettyPrint(char *buf, int nsp=2);       // print arbitrary JSON from buf to serial monitor, formatted with indentions of 'nsp' spaces
   SpanCharacteristic *find(uint32_t aid, int iid);   // return Characteristic with matching aid and iid (else NULL if not found)
   
@@ -282,7 +283,7 @@ struct SpanAccessory{
 
   SpanAccessory(uint32_t aid=0);
 
-  int sprintfAttributes(char *cBuf);        // prints Accessory JSON database into buf, unless buf=NULL; return number of characters printed, excluding null terminator, even if buf=NULL  
+  int sprintfAttributes(char *cBuf, int flags);        // prints Accessory JSON database into buf, unless buf=NULL; return number of characters printed, excluding null terminator, even if buf=NULL  
 };
 
 ///////////////////////////////
@@ -307,7 +308,7 @@ struct SpanService{
   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
+  int sprintfAttributes(char *cBuf, int flags);           // prints Service JSON records into buf; return number of characters printed, excluding null terminator
   
   virtual boolean update() {return(true);}                // placeholder for code that is called when a Service is updated via a Controller.  Must return true/false depending on success of update
   virtual void loop(){}                                   // loops for each Service - called every cycle and can be over-ridden with user-defined code