diff --git a/src/util.jl b/src/util.jl
index feecd01..972e85c 100644
--- a/src/util.jl
+++ b/src/util.jl
@@ -229,7 +229,7 @@ end
 
 
 
-""" Check JSON format correctness, provide 
+""" Check JSON format correctness and provide feedback
 
   Arguments\n
   -----
@@ -237,6 +237,7 @@ end
     
   Return\n
   -----
+    (correct, critique)
 
   Example\n
   -----
@@ -254,18 +255,18 @@ end
 """
 function syntaxcheck_json(jsonstring::T)::NamedTuple where {T<:AbstractString}
   error("--> syntaxcheck_json")
-  # success, result, errormsg, st = GeneralUtils.showstracktrace(JSON3.read, jsonstring)
-  # if !success # gives feedback
+  success, result, errormsg, st = GeneralUtils.showstracktrace(JSON3.read, jsonstring)
+  if !success # gives feedback
     
 
 
-  # else
+  else
 
 
-  # end
+  end
   
 
-  # return (success, result, critique)
+  return (success, critique)
 end
 
 
@@ -306,27 +307,29 @@ function iterativeprompting(a::T, prompt::String, verification::Function) where
     )
   )
 
+  result = nothing
+  success = nothing
+
   # iteration loop
   while true
     # send prompt to LLM
     response = GeneralUtils.sendReceiveMqttMsg(outgoingMsg)
     error("--> iterativeprompting")
     # check for correctness and get feedback
+    success, critique = verification(response)
 
-    # if correct
-      
-    #   break
-    # else  
-    #   # get LLM critique
-
-    #   # add critique to prompt
-    # end
+    if success
+      result = response
+      break
+    else  
+      # add critique to prompt
+    end
 
     
 
   end
   
-  return response
+  return (success=sucess, result=response)
 end
 
 
@@ -364,13 +367,6 @@ end
 
 
 
-
-
-
-
-
-
-